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Function   Description   Product Function List h2abcd Convert hybrid h-parameters to ABCD-parameters RF Toolbox h2g Convert hybrid h-parameters to hybrid g-parameters RF Toolbox h2hinfsyn Mixed H2/H synthesis with pole placement constraints Robust Control Toolbox h2s Convert hybrid h-parameters to S-parameters RF Toolbox h2syn H2 control synthesis for LTI plant Robust Control Toolbox h2y Convert hybrid h-parameters to Y-parameters RF Toolbox h2z Convert hybrid h-parameters to Z-parameters RF Toolbox hadamard Hadamard matrix MATLAB halt (For CCS) Terminate execution of process running on processor Embedded IDE Link halt (For VisualDSP++) Halt program execution by processor Embedded IDE Link hammgen Produce parity-check and generator matrices for Hamming code Communications Toolbox hamming Hamming window Signal Processing Toolbox handle Abstract class for deriving handle classes MATLAB handlem Handles of displayed map objects Mapping Toolbox handlem-ui GUI for handles of specified mapped objects Mapping Toolbox hank2sys Convert Hankel matrix to linear system model Communications Toolbox hankel Hankel matrix Fixed-Point Toolbox hankel Hankel matrix MATLAB hankelmr Hankel minimum degree approximation (MDA) without balancing Robust Control Toolbox hankelsv Compute Hankel singular values for stable/unstable or continuous/discrete system Robust Control Toolbox hann Hann (Hanning) window Signal Processing Toolbox hardcopy Saves figure window to file MATLAB Compiler hardlim Hard-limit transfer function Neural Network Toolbox hardlims Symmetric hard-limit transfer function Neural Network Toolbox harmmean Harmonic mean Statistics Toolbox hasdelay True for LTI model with time delays Control System Toolbox haver Connect to local Haver Analytics database Datafeed Toolbox haver.aggregation Set Haver Analytics aggregation mode Datafeed Toolbox haver.close Close Haver Analytics database Datafeed Toolbox haver.fetch Request data from Haver Analytics database Datafeed Toolbox haver.get Retrieve properties from Haver Analytics connection objects Datafeed Toolbox haver.info Retrieve information about Haver Analytics variables Datafeed Toolbox haver.isconnection Verify whether connections to Haver Analytics data servers are valid Datafeed Toolbox haver.nextinfo Retrieve information about next Haver Analytics variable Datafeed Toolbox havertool Run Haver Analytics graphical user interface (GUI) Datafeed Toolbox hdf Summary of MATLAB HDF4 capabilities MATLAB hdf5 Summary of MATLAB HDF5 capabilities MATLAB hdf5info Information about HDF5 file MATLAB hdf5read Read HDF5 file MATLAB hdf5write Write data to file in HDF5 format MATLAB hdfinfo Information about HDF4 or HDF-EOS file MATLAB hdfread Read data from HDF4 or HDF-EOS file MATLAB hdftool Browse and import data from HDF4 or HDF-EOS files MATLAB hdldaemon (For Discovery) Control MATLAB server that supports interactions with Discovery simulator EDA Simulator Link hdldaemon (For Incisive) Control MATLAB server that supports interactions with Incisive simulator EDA Simulator Link hdldaemon (For ModelSim) Control MATLAB server that supports interactions with ModelSim simulator EDA Simulator Link hdllib Create library of blocks that support HDL code generation Simulink HDL Coder hdlnewblackbox Generate customizable control file from selected subsystem or blocks Simulink HDL Coder hdlnewcontrol Construct a code generation control object for use in a control file Simulink HDL Coder hdlnewcontrolfile Generate customizable control file from selected subsystem or blocks Simulink HDL Coder hdlnewforeach Generate forEach calls for insertion into code generation control files Simulink HDL Coder hdlsetup Set model parameters for HDL code generation Simulink HDL Coder hdlsimmatlab (For Incisive) Load instantiated HDL design for verification with MATLAB EDA Simulator Link hdlsimulink (For Incisive) Load instantiated HDL design for cosimulation with Simulink EDA Simulator Link hdrread Read high dynamic range (HDR) image Image Processing Toolbox hdrwrite Write Radiance high dynamic range (HDR) image file Image Processing Toolbox HeatMap Display heat map of matrix data and create HeatMap object Bioinformatics Toolbox HeatMap object Object containing matrix and heat map display properties Bioinformatics Toolbox hedgeopt Allocate optimal hedge for target costs or sensitivities Financial Derivatives Toolbox hedgeslf Self-financing hedge Financial Derivatives Toolbox heldeintrlv Restore ordering of symbols permuted using helintrlv Communications Toolbox helintrlv Permute symbols using helical array Communications Toolbox help Help for toolbox functions in Command Window Parallel Computing Toolbox help Help for design method with filter specification Filter Design Toolbox help Help for functions in Command Window MATLAB help Help for debugger functions SimEvents helpbrowser Open Help browser to access online documentation and demos MATLAB helpdesk Open Help browser MATLAB helpdlg Create and open help dialog box MATLAB helpwin Provide access to M-file help for all functions MATLAB helscandeintrlv Restore ordering of symbols in helical pattern Communications Toolbox helscanintrlv Reorder symbols in helical pattern Communications Toolbox hess Hessenberg form of matrix MATLAB heston Heston stochastic volatility models Econometrics Toolbox hex Hexadecimal representation of stored integer of fi object Fixed-Point Toolbox hex2dec Convert hexadecimal number string to decimal number MATLAB hex2num Convert hexadecimal string to number using quantizer object Fixed-Point Toolbox hex2num Convert hexadecimal number string to double-precision number MATLAB hextop Hexagonal layer topology function Neural Network Toolbox hgexport Export figure MATLAB hggroup Create hggroup object MATLAB hgload Load Handle Graphics object hierarchy from file MATLAB hgsave Save Handle Graphics object hierarchy to file MATLAB hgsetget Abstract class used to derive handle class with set and get methods MATLAB hgtransform Create hgtransform graphics object MATLAB hhigh Highest high Financial Toolbox hidden Remove hidden lines from mesh plot MATLAB hidem Hide specified graphic objects on map axes Mapping Toolbox hidem-ui Hide specified mapped objects Mapping Toolbox highlow High, low, open, close chart Financial Toolbox highlow (fts) Time series High-Low plot Financial Toolbox hilb Hilbert matrix MATLAB hilbert Discrete-time analytic signal using Hilbert transform Signal Processing Toolbox hilbiir Design Hilbert transform IIR filter Communications Toolbox hinfgs Synthesis of gain-scheduled H controllers Robust Control Toolbox hinfsyn Compute H optimal controller for LTI plant Robust Control Toolbox hintonw Hinton graph of weight matrix Neural Network Toolbox hintonwb Hinton graph of weight matrix and bias vector Neural Network Toolbox hist Histogram Financial Toolbox hist Create histogram plot Fixed-Point Toolbox hist Histogram plot MATLAB hist3 Bivariate histogram Statistics Toolbox hista Histogram for geographic points with equal-area bins Mapping Toolbox histc Histogram count Fixed-Point Toolbox histc Histogram count MATLAB histeq Enhance contrast using histogram equalization Image Processing Toolbox histfit Histogram with normal fit Statistics Toolbox histr Histogram for geographic points with equirectangular bins Mapping Toolbox hjmprice Instrument prices from HJM interest-rate tree Financial Derivatives Toolbox hjmsens Instrument prices and sensitivities from HJM interest-rate tree Financial Derivatives Toolbox hjmtimespec Specify time structure for HJM interest-rate tree Financial Derivatives Toolbox hjmtree Construct HJM interest-rate tree Financial Derivatives Toolbox hjmvolspec Specify HJM interest-rate volatility process Financial Derivatives Toolbox hmmdecode Hidden Markov model posterior state probabilities Statistics Toolbox hmmestimate Hidden Markov model parameter estimates from emissions and states Statistics Toolbox hmmgenerate Hidden Markov model states and emissions Statistics Toolbox hmmprofalign Align query sequence to profile using hidden Markov model alignment Bioinformatics Toolbox hmmprofestimate Estimate profile hidden Markov model (HMM) parameters using pseudocounts Bioinformatics Toolbox hmmprofgenerate Generate random sequence drawn from profile hidden Markov model (HMM) Bioinformatics Toolbox hmmprofmerge Concatenate prealigned strings of several sequences to profile hidden Markov model (HMM) Bioinformatics Toolbox hmmprofstruct Create or edit hidden Markov model (HMM) profile structure Bioinformatics Toolbox hmmtrain Hidden Markov model parameter estimates from emissions Statistics Toolbox hmmviterbi Hidden Markov model most probable state path Statistics Toolbox hold Retain current graph in figure MATLAB holdings2weights Portfolio holdings into weights Financial Toolbox holidays Holidays and nontrading days Financial Toolbox home Send the cursor home MATLAB horzcat Concatenate financial time series objects horizontally Financial Toolbox horzcat Horizontally concatenate multiple fi objects Fixed-Point Toolbox horzcat Concatenate arrays horizontally MATLAB horzcat (DataMatrix) Concatenate DataMatrix objects horizontally Bioinformatics Toolbox horzcat (tscollection) Horizontal concatenation for tscollection objects MATLAB hostid Server host identification number MATLAB hougen Hougen-Watson model Statistics Toolbox hough Hough transform Image Processing Toolbox houghlines Extract line segments based on Hough transform Image Processing Toolbox houghpeaks Identify peaks in Hough transform Image Processing Toolbox hour Hour of date or time Financial Toolbox hpfilter Hodrick-Prescott filter Econometrics Toolbox hsv2rgb Convert HSV colormap to RGB colormap MATLAB hsvd Compute Hankel singular values of LTI model Control System Toolbox hsvoptions Create list of Hankel singular value plot options Control System Toolbox hsvplot Plot Hankel singular values and return plot handle Control System Toolbox huffmandeco Huffman decoder Communications Toolbox huffmandict Generate Huffman code dictionary for source with known probability model Communications Toolbox huffmanenco Huffman encoder Communications Toolbox hwcalbycap Calibrate Hull-White tree using caps Financial Derivatives Toolbox hwcalbyfloor Calibrate Hull-White tree using floors Financial Derivatives Toolbox hwprice Instrument prices from Hull-White interest-rate tree Financial Derivatives Toolbox hwsens Instrument prices and sensitivities from HW interest-rate tree Financial Derivatives Toolbox hwtimespec Specify time structure for Hull-White tree Financial Derivatives Toolbox hwtree Construct Hull-White interest-rate tree Financial Derivatives Toolbox hwv Hull-White/Vasicek mean-reverting Gaussian diffusion models Econometrics Toolbox hwvolspec Specify Hull-White interest-rate volatility process Financial Derivatives Toolbox hygecdf Hypergeometric cumulative distribution function Statistics Toolbox hygeinv Hypergeometric inverse cumulative distribution function Statistics Toolbox hygepdf Hypergeometric probability density function Statistics Toolbox hygernd Hypergeometric random numbers Statistics Toolbox hygestat Hypergeometric mean and variance Statistics Toolbox hyperbolic Solve hyperbolic PDE problem Partial Differential Equation Toolbox hypot Square root of sum of squares MATLAB i Imaginary unit MATLAB icceps Inverse complex cepstrum Signal Processing Toolbox iccfind Search for ICC profiles Image Processing Toolbox iccread Read ICC profile Image Processing Toolbox iccroot Find system default ICC profile repository Image Processing Toolbox iccwrite Write ICC color profile to disk file Image Processing Toolbox icdevice Create device object Instrument Control Toolbox icdf Inverse cumulative distribution functions Statistics Toolbox icomplexify Purpose Helper function for complexify Robust Control Toolbox iconnect Purpose Create empty iconnect (interconnection) objects Robust Control Toolbox icsignal Create icsignal object of specified dimension Robust Control Toolbox idarx Multiple-output ARX polynomials, impulse response, or step response model System Identification Toolbox idc Connect to Interactive Data Pricing and Reference Data's RemotePlus data servers Datafeed Toolbox idc.close Close connections to Interactive Data Pricing and Reference Data's RemotePlus data servers Datafeed Toolbox idc.fetch Request data from Interactive Data Pricing and Reference Data's RemotePlus data servers Datafeed Toolbox idc.get Retrieve properties of Interactive Data Pricing and Reference Data's RemotePlus connection objects Datafeed Toolbox idc.isconnection Verify whether connections to Interactive Data Pricing and Reference Data's RemotePlus data servers are valid Datafeed Toolbox idct Inverse discrete cosine transform Signal Processing Toolbox idct2 2-D inverse discrete cosine transform Image Processing Toolbox iddata Time- or frequency-domain data System Identification Toolbox idealfilter (timeseries) Apply ideal (noncausal) filter to timeseries object MATLAB ident Open System Identification Tool GUI System Identification Toolbox idfilt Filter data using user-defined passbands, general filters, or Butterworth filters System Identification Toolbox idfrd Frequency-response data or model System Identification Toolbox idgrey Linear ODE (grey-box model) with known and unknown parameters System Identification Toolbox idinput Generate input signals System Identification Toolbox idivide Integer division with rounding option MATLAB idmdlsim Simulate idmodel objects using Simulink software System Identification Toolbox idmodel Superclass for linear models System Identification Toolbox idnlarx Nonlinear black-box ARX model System Identification Toolbox idnlgrey Nonlinear ODE (grey-box model) with unknown parameters System Identification Toolbox idnlhw Nonlinear black-box Hammerstein-Wiener model System Identification Toolbox idnlmodel Superclass for nonlinear models System Identification Toolbox idpoly Linear polynomial input-output model System Identification Toolbox idproc Linear, low-order, continuous-time transfer function System Identification Toolbox idresamp Resample time-domain data by decimation or interpolation System Identification Toolbox idss State-space model System Identification Toolbox idwt Single-level inverse discrete 1-D wavelet transform Wavelet Toolbox idwt2 Single-level inverse discrete 2-D wavelet transform Wavelet Toolbox if Execute statements if condition is true MATLAB ifanbeam Inverse fan-beam transform Image Processing Toolbox ifft Inverse discrete Fourier transform Communications Toolbox ifft Transform iddata objects from frequency to time domain System Identification Toolbox ifft Inverse discrete Fourier transform MATLAB ifft2 2-D inverse discrete Fourier transform MATLAB ifftn N-D inverse discrete Fourier transform MATLAB ifftshift Inverse FFT shift MATLAB ifir Interpolated FIR filter from filter specification Filter Design Toolbox ifwht Inverse Fast Walsh-Hadamard transform Signal Processing Toolbox iirbpc2bpc Transform IIR complex bandpass filter to IIR complex bandpass filter with different characteristics Filter Design Toolbox iircomb IIR comb notch or peak filter Filter Design Toolbox iirftransf IIR frequency transformation of filter Filter Design Toolbox iirgrpdelay Optimal IIR filter with prescribed group-delay Filter Design Toolbox iirlinphase Quasi-linear phase IIR filter from halfband filter specification Filter Design Toolbox iirlp2bp Transform IIR lowpass filter to IIR bandpass filter Filter Design Toolbox iirlp2bpc IIR lowpass to complex bandpass transformation Filter Design Toolbox iirlp2bs Transform IIR lowpass filter to IIR bandstop filter Filter Design Toolbox iirlp2bsc Transform IIR lowpass filter to IIR complex bandstop filter Filter Design Toolbox iirlp2hp Transform lowpass IIR filter to highpass filter Filter Design Toolbox iirlp2lp Transform lowpass IIR filter to different lowpass filter Filter Design Toolbox iirlp2mb Transform IIR lowpass filter to IIR M-band filter Filter Design Toolbox iirlp2mbc Transform IIR lowpass filter to IIR complex M-band filter Filter Design Toolbox iirlp2xc Transform IIR lowpass filter to IIR complex N-point filter Filter Design Toolbox iirlp2xn Transform IIR lowpass filter to IIR real N-point filter Filter Design Toolbox iirlpnorm Least P-norm optimal IIR filter Filter Design Toolbox iirlpnormc Constrained least Pth-norm optimal IIR filter Filter Design Toolbox iirls RLS IIR filter from specification object Filter Design Toolbox iirnotch Second-order IIR notch filter Filter Design Toolbox iirpeak Second-order IIR peak or resonator filter Filter Design Toolbox iirpowcomp Power complementary IIR filter Filter Design Toolbox iirrateup Upsample IIR filter by integer factor Filter Design Toolbox iirshift Shift frequency response of IIR filter Filter Design Toolbox iirshiftc Shift frequency response of IIR complex filter Filter Design Toolbox ilmnbslookup Look up Illumina BeadStudio target (probe) sequence and annotation information Bioinformatics Toolbox ilmnbsread Read gene expression data exported from Illumina BeadStudio software Bioinformatics Toolbox ilu Sparse incomplete LU factorization MATLAB ilwt Purpose Inverse 1-D lifting wavelet transform Wavelet Toolbox ilwt2 Purpose Inverse 2-D lifting wavelet transform Wavelet Toolbox im2bw Convert image to binary image, based on threshold Image Processing Toolbox im2col Rearrange image blocks into columns Image Processing Toolbox im2double Convert image to double precision Image Processing Toolbox im2frame Convert image to movie frame MATLAB im2int16 Convert image to 16-bit signed integers Image Processing Toolbox im2java Convert image to Java image MATLAB im2java2d Convert image to Java buffered image Image Processing Toolbox im2single Convert image to single precision Image Processing Toolbox im2uint16 Convert image to 16-bit unsigned integers Image Processing Toolbox im2uint8 Convert image to 8-bit unsigned integers Image Processing Toolbox imabsdiff Absolute difference of two images Image Processing Toolbox imadd Add two images or add constant to image Image Processing Toolbox imadjust Adjust image intensity values or colormap Image Processing Toolbox imag Imaginary part of FRD model Control System Toolbox imag Imaginary part of complex number Fixed-Point Toolbox imag Imaginary part of complex number MATLAB image Display image object MATLAB imageinfo Image Information tool Image Processing Toolbox imagemodel Image Model object Image Processing Toolbox imageneread Read microarray data from ImaGene Results file Bioinformatics Toolbox imagesc Scale data and display image object MATLAB imapprox Approximate indexed image using one with fewer colors MATLAB imaqfind Find image acquisition objects Image Acquisition Toolbox imaqhelp Image acquisition object function and property help Image Acquisition Toolbox imaqhwinfo Information about available image acquisition hardware Image Acquisition Toolbox imaqmem Limit memory or display memory usage for Image Acquisition Toolbox software Image Acquisition Toolbox imaqmontage Sequence of image frames as montage Image Acquisition Toolbox imaqreset Disconnect and delete all image acquisition objects Image Acquisition Toolbox imaqtool Launch Image Acquisition Tool Image Acquisition Toolbox imattributes Information about image attributes Image Processing Toolbox imbedm Encode data points into regular data grid Mapping Toolbox imbothat Bottom-hat filtering Image Processing Toolbox imclearborder Suppress light structures connected to image border Image Processing Toolbox imclose Morphologically close image Image Processing Toolbox imcolormaptool Choose Colormap tool Image Processing Toolbox imcomplement Complement image Image Processing Toolbox imcontour Create contour plot of image data Image Processing Toolbox imcontrast Adjust Contrast tool Image Processing Toolbox imcrop Crop image Image Processing Toolbox imdilate Dilate image Image Processing Toolbox imdisplayrange Display Range tool Image Processing Toolbox imdistline Distance tool Image Processing Toolbox imdivide Divide one image into another or divide image by constant Image Processing Toolbox imellipse Create draggable ellipse Image Processing Toolbox imerode Erode image Image Processing Toolbox imextendedmax Extended-maxima transform Image Processing Toolbox imextendedmin Extended-minima transform Image Processing Toolbox imfill Fill image regions and holes Image Processing Toolbox imfilter N-D filtering of multidimensional images Image Processing Toolbox imfinfo Information about graphics file MATLAB imformats Manage image file format registry MATLAB imfreehand Create draggable freehand region Image Processing Toolbox imgca Get handle to current axes containing image Image Processing Toolbox imgcf Get handle to current figure containing image Image Processing Toolbox imgetfile Open Image dialog box Image Processing Toolbox imhandles Get all image handles Image Processing Toolbox imhist Display histogram of image data Image Processing Toolbox imhmax H-maxima transform Image Processing Toolbox imhmin H-minima transform Image Processing Toolbox imimposemin Impose minima Image Processing Toolbox imlincomb Linear combination of images Image Processing Toolbox imline Create draggable, resizable line Image Processing Toolbox immagbox Magnification box for scroll panel Image Processing Toolbox immovie Make movie from multiframe image Image Processing Toolbox immultiply Multiply two images or multiply image by constant Image Processing Toolbox imnoise Add noise to image Image Processing Toolbox imopen Morphologically open image Image Processing Toolbox imoverview Overview tool for image displayed in scroll panel Image Processing Toolbox imoverviewpanel Overview tool panel for image displayed in scroll panel Image Processing Toolbox imp2exp Purpose Convert implicit linear relationship to explicit input-output relation Robust Control Toolbox imp2ss System realization via Hankel singular value decomposition Robust Control Toolbox impinvar Impulse invariance method for analog-to-digital filter conversion Signal Processing Toolbox impixel Pixel color values Image Processing Toolbox impixelinfo Pixel Information tool Image Processing Toolbox impixelinfoval Pixel Information tool without text label Image Processing Toolbox impixelregion Pixel Region tool Image Processing Toolbox impixelregionpanel Pixel Region tool panel Image Processing Toolbox implay Play movies, videos, or image sequences Image Processing Toolbox impoint Create draggable point Image Processing Toolbox impoly Create draggable, resizable polygon Image Processing Toolbox import Add package or class to current import list MATLAB import_physmod Generate model from Physical Modeling XML file SimMechanics importdata Load data from file MATLAB importedkeys Return information about imported foreign keys Database Toolbox ImportFromFile Load data from file Model-Based Calibration Toolbox ImportFromMBC DataStructure Load data from MBC data structure Model-Based Calibration Toolbox impositionrect Create draggable position rectangle Image Processing Toolbox improfile Pixel-value cross-sections along line segments Image Processing Toolbox impulse Impulse response of LTI model Control System Toolbox impulse Plot impulse response with confidence interval System Identification Toolbox impulseplot Plot impulse response and return plot handle Control System Toolbox imputfile Display Save Image dialog box Image Processing Toolbox impvbybjs Calculate implied volatility using Bjerksund-Stensland 2002 option pricing model Financial Derivatives Toolbox impvbyblk Calculate implied volatility using Black option pricing model Financial Derivatives Toolbox impvbybls Calculate implied volatility using Black-Scholes option pricing model Financial Derivatives Toolbox impvbyrgw Calculate implied volatility using Roll-Geske-Whaley option pricing model for American call option Financial Derivatives Toolbox impyramid Image pyramid reduction and expansion Image Processing Toolbox impz Filter impulse response Filter Design Toolbox impz Impulse response of digital filter Signal Processing Toolbox imread Read image from graphics file MATLAB imreconstruct Morphological reconstruction Image Processing Toolbox imrect Create draggable rectangle Image Processing Toolbox imregionalmax Regional maxima Image Processing Toolbox imregionalmin Regional minima Image Processing Toolbox imresize Resize image Image Processing Toolbox imroi Region-of-interest (ROI) base class Image Processing Toolbox imrotate Rotate image Image Processing Toolbox imsave Save Image Tool Image Processing Toolbox imscrollpanel Scroll panel for interactive image navigation Image Processing Toolbox imshow Display image Image Processing Toolbox imsubtract Subtract one image from another or subtract constant from image Image Processing Toolbox imtool Image Tool Image Processing Toolbox imtophat Top-hat filtering Image Processing Toolbox imtransform Apply 2-D spatial transformation to image Image Processing Toolbox imview Display image in image tool Image Processing Toolbox imwrite Write image to graphics file MATLAB InBest Boundary models selected as best Model-Based Calibration Toolbox inconsistent Inconsistency coefficient Statistics Toolbox ind2depo Node index to node depth-position Wavelet Toolbox ind2gray Convert indexed image to grayscale image Image Processing Toolbox ind2rgb Convert indexed image to RGB image Image Processing Toolbox ind2rgb Convert indexed image to RGB image MATLAB ind2rgb8 Convert indexed image to uint8 RGB image Mapping Toolbox ind2sub Subscripts from linear index MATLAB ind2vec Convert indices to vectors Neural Network Toolbox indepnames Independent variable of cfit, sfit, or fittype object Curve Fitting Toolbox indexinfo Return indices and statistics for database tables Database Toolbox Inf Infinity MATLAB inferiorto Specify inferior class relationship MATLAB info Information about filter Filter Design Toolbox info (For CCS) Information about processor Embedded IDE Link info (For VisualDSP++) Property names and values for active session Embedded IDE Link info Information about contacting The MathWorks MATLAB inforatio Calculate information ratio for one or more assets Financial Toolbox ingeoquad True for points inside or on lat-lon quadrangle Mapping Toolbox init Set or randomize initial parameter values System Identification Toolbox init Initialize neural network Neural Network Toolbox initcon Conscience bias initialization function Neural Network Toolbox initial Initial condition response of state-space model Control System Toolbox initialize (Aero.Flight GearAnimation) Set up FlightGear animation object Aerospace Toolbox initialize (Aero.Virtual RealityAnimation) Create and populate virtual reality animation object Aerospace Toolbox initialplot Plot initial condition response and return plot handle Control System Toolbox initlay Layer-by-layer network initialization function Neural Network Toolbox initmesh Create initial triangular mesh Partial Differential Equation Toolbox initnw Nguyen-Widrow layer initialization function Neural Network Toolbox initopspec Initialize operating point specification values Simulink Control Design initpar Specify initial parameter values in response optimization project Simulink Design Optimization initsompc Initialize SOM weights with principal components Neural Network Toolbox initwb By weight and bias layer initialization function Neural Network Toolbox initzero Zero weight and bias initialization function Neural Network Toolbox inline Construct inline object MATLAB inmem Names of M-files, MEX-files, Sun Java classes in memory MATLAB innerprodintbits Number of integer bits needed for fixed-point inner product Fixed-Point Toolbox inpolygon Points inside polygonal region MATLAB input Request user input MATLAB InputData Input data for model Model-Based Calibration Toolbox inputdlg Create and open input dialog box MATLAB inputm Latitudes and longitudes of mouse-click locations Mapping Toolbox inputname Variable name of function input MATLAB inputParser Construct input parser object MATLAB Inputs Inputs for test plan, model, boundary model, design, or constraint Model-Based Calibration Toolbox InputSetupDialog Open Input Setup dialog box to edit inputs Model-Based Calibration Toolbox InputSignalNames Names of signals in data that are being modeled Model-Based Calibration Toolbox InputsPerLevel Number of inputs at each level in model Model-Based Calibration Toolbox insert Add MATLAB data to database tables (deprecated; use fastinsert instead) Database Toolbox insert (For CCS) Add debug point to source file or address in CCS Embedded IDE Link insert (For VisualDSP++) Insert breakpoint in file Embedded IDE Link inspect Open Property Inspector Data Acquisition Toolbox inspect Open Property Inspector Parallel Computing Toolbox inspect Open Property Inspector Instrument Control Toolbox inspect Open Property Inspector MATLAB instadd Add types to instrument collection Financial Derivatives Toolbox instaddfield Add new instruments to instrument collection Financial Derivatives Toolbox instasian Construct Asian option Financial Derivatives Toolbox instbarrier Construct barrier option Financial Derivatives Toolbox instbond Construct bond instrument Financial Derivatives Toolbox instcap Construct cap instrument Financial Derivatives Toolbox instcf Construct cash flow instrument Financial Derivatives Toolbox instcompound Construct compound option Financial Derivatives Toolbox instdelete Complement of instrument set by matching conditions Financial Derivatives Toolbox instdisp Display instruments Financial Derivatives Toolbox instfields List field names Financial Derivatives Toolbox instfind Search instruments for matching conditions Financial Derivatives Toolbox instfixed Construct fixed-rate instrument Financial Derivatives Toolbox instfloat Construct floating-rate instrument Financial Derivatives Toolbox instfloor Construct floor instrument Financial Derivatives Toolbox instget Data from instrument variable Financial Derivatives Toolbox instgetcell Data and context from instrument variable Financial Derivatives Toolbox instlength Count instruments Financial Derivatives Toolbox instlookback Construct lookback option Financial Derivatives Toolbox instoptbnd Construct bond option Financial Derivatives Toolbox instoptembnd Constructor for 'Type', 'OptEmBond' bond with embedded option Financial Derivatives Toolbox instoptstock Construct stock option Financial Derivatives Toolbox instrcallback Display event information when event occurs Instrument Control Toolbox instrcallback Event information when event occurs MATLAB instrfind Read instrument objects from memory to MATLAB workspace Instrument Control Toolbox instrfind Read serial port objects from memory to MATLAB workspace MATLAB instrfindall Find visible and hidden instrument objects Instrument Control Toolbox instrfindall Find visible and hidden serial port objects MATLAB instrhelp Help for instrument object type, function, or property Instrument Control Toolbox instrhwinfo Information about available hardware Instrument Control Toolbox instrid Define and retrieve commands that identify instruments Instrument Control Toolbox instrnotify Define notification for instrument events Instrument Control Toolbox instrreset Disconnect and delete all instrument objects Instrument Control Toolbox instselect Create instrument subset by matching conditions Financial Derivatives Toolbox instsetfield Add or reset data for existing instruments Financial Derivatives Toolbox instswap Construct swap instrument Financial Derivatives Toolbox instswaption Construct swaption instrument Financial Derivatives Toolbox insttypes List types Financial Derivatives Toolbox int States from CIC filter Filter Design Toolbox int Smallest built-in integer fitting stored integer value of fi object Fixed-Point Toolbox int Integrate symbolic expression Symbolic Math Toolbox int16 Stored integer value of fi object as built-in int16 Fixed-Point Toolbox int2aa Convert amino acid sequence from integer to letter representation Bioinformatics Toolbox int2nt Convert nucleotide sequence from integer to letter representation Bioinformatics Toolbox int2str Convert integer to string MATLAB int32 Stored integer value of fi object as built-in int32 Fixed-Point Toolbox int64 Stored integer value of fi object as built-in int64 Fixed-Point Toolbox int8 Stored integer value of fi object as built-in int8 Fixed-Point Toolbox int8, int16, int32, int64 Convert to signed integer MATLAB intdump Integrate and dump Communications Toolbox integrate Integrate cfit object Curve Fitting Toolbox intenvget Properties of interest-rate structure Financial Derivatives Toolbox intenvprice Price instruments from set of zero curves Financial Derivatives Toolbox intenvsens Instrument price and sensitivities from set of zero curves Financial Derivatives Toolbox intenvset Set properties of interest-rate structure Financial Derivatives Toolbox interactionplot Interaction plot for grouped data Statistics Toolbox interfaces List custom interfaces exposed by COM server object MATLAB interfileinfo Read metadata from Interfile file Image Processing Toolbox interfileread Read images in Interfile format Image Processing Toolbox interp Interpolate FRD model Control System Toolbox interp Interpolation — increase sampling rate by integer factor Signal Processing Toolbox interp1 1-D data interpolation (table lookup) MATLAB interp1q Quick 1-D linear interpolation MATLAB interp2 2-D data interpolation (table lookup) MATLAB interp3 3-D data interpolation (table lookup) MATLAB interpft 1-D interpolation using FFT method MATLAB interpm Densify latitude-longitude sampling in lines or polygons Mapping Toolbox interpn N-D data interpolation (table lookup) MATLAB interpolate Brownian interpolation of stochastic differential equations Econometrics Toolbox interpstreamspeed Interpolate stream-line vertices from flow speed MATLAB intersect Find set intersection of two vectors MATLAB intersectgeoquad Intersection of two latitude-longitude quadrangles Mapping Toolbox intfilt Interpolation FIR filter design Signal Processing Toolbox intlut Convert integer values using lookup table Image Processing Toolbox intmax Largest positive stored integer value representable by numerictype of fi object Fixed-Point Toolbox intmax Largest value of specified integer type MATLAB intmin Smallest stored integer value representable by numerictype of fi object Fixed-Point Toolbox intmin Smallest value of specified integer type MATLAB intrlv Reorder sequence of symbols Communications Toolbox intrplat Interpolate latitude at given longitude Mapping Toolbox intrplon Interpolate longitude at given latitude Mapping Toolbox intwarning Control state of integer warnings MATLAB intwave Integrate wavelet function psi () Wavelet Toolbox inv Invert LTI systems Control System Toolbox inv Matrix inverse MATLAB inv Compute symbolic matrix inverse Symbolic Math Toolbox invfreqs Identify continuous-time filter parameters from frequency response data Signal Processing Toolbox invfreqz Identify discrete-time filter parameters from frequency response data Signal Processing Toolbox invhilb Inverse of Hilbert matrix MATLAB invoke Execute driver-specific function on device object Instrument Control Toolbox invoke Invoke method on COM object or interface, or display methods MATLAB invpred Inverse prediction Statistics Toolbox iopzmap Plot pole-zero map for I/O pairs of LTI model Control System Toolbox iopzplot Plot pole-zero map for I/O pairs and return plot handle Control System Toolbox ipermute Inverse permute dimensions of multidimensional array Fixed-Point Toolbox ipermute Inverse permute dimensions of N-D array MATLAB ippl Check for presence of Intel Integrated Performance Primitives (Intel IPP) library Image Processing Toolbox iptaddcallback Add function handle to callback list Image Processing Toolbox iptcheckconn Check validity of connectivity argument Image Processing Toolbox iptcheckhandle Check validity of handle Image Processing Toolbox iptcheckinput Check validity of array Image Processing Toolbox iptcheckmap Check validity of colormap Image Processing Toolbox iptchecknargin Check number of input arguments Image Processing Toolbox iptcheckstrs Check validity of option string Image Processing Toolbox iptdemos Index of Image Processing Toolbox demos Image Processing Toolbox iptgetapi Get Application Programmer Interface (API) for handle Image Processing Toolbox iptGetPointerBehavior Retrieve pointer behavior from HG object Image Processing Toolbox iptgetpref Get values of Image Processing Toolbox preferences Image Processing Toolbox ipticondir Directories containing IPT and MATLAB icons Image Processing Toolbox iptnum2ordinal Convert positive integer to ordinal string Image Processing Toolbox iptPointerManager Create pointer manager in figure Image Processing Toolbox iptprefs Opens Image Processing Preferences dialog box Image Processing Toolbox iptremovecallback Delete function handle from callback list Image Processing Toolbox iptSetPointerBehavior Store pointer behavior structure in Handle Graphics object Image Processing Toolbox iptsetpref Set Image Processing Toolbox preferences or display valid values Image Processing Toolbox iptwindowalign Align figure windows Image Processing Toolbox iqr Interquartile range Statistics Toolbox iqr (timeseries) Interquartile range of timeseries data MATLAB iradon Inverse Radon transform Image Processing Toolbox IRBootstrapOptions Construct specific options for bootstrapping interest-rate curve object Fixed-Income Toolbox IRDataCurve Construct interest-rate curve object from dates and data Fixed-Income Toolbox IRFitOptions Construct specific options for fitting interest-rate curve object Fixed-Income Toolbox IRFunctionCurve Construct interest-rate curve object from function handle or function by fitting to market data using object methods Fixed-Income Toolbox irr Internal rate of return Financial Toolbox is* Detect state MATLAB is2rc Convert inverse sine parameters to reflection coefficients Signal Processing Toolbox isa True if object is of specified class Parallel Computing Toolbox isa Determine whether input is object of given class MATLAB isafin True if input argument is financial structure type or financial object class Financial Derivatives Toolbox isallpass Determine whether filter is allpass Filter Design Toolbox IsAlternative Test alternative fit algorithm Model-Based Calibration Toolbox isappdata True if application-defined data exists MATLAB IsBeingEdited Boolean signaling if data or model is being edited Model-Based Calibration Toolbox isboolean Determine whether input is Boolean Fixed-Point Toolbox isbusday True for dates that are business days Financial Toolbox isbw True for binary image Image Processing Toolbox iscatastrophic True for trellis corresponding to catastrophic convolutional code Communications Toolbox iscell Determine whether input is cell array MATLAB iscellstr Determine whether input is cell array of strings MATLAB ischannel Check for channels Data Acquisition Toolbox ischar Determine whether item is character array MATLAB iscodistributed True for codistributed array Parallel Computing Toolbox iscolumn Determine whether fi object is column vector Fixed-Point Toolbox iscom Determine whether input is COM or ActiveX object MATLAB iscompatible Structural equality Financial Toolbox isComplete True if codistributor object is complete Parallel Computing Toolbox isconnection Detect whether database connections are valid Database Toolbox isct, isdt Determine whether LTI model is continuous or discrete Control System Toolbox isdag (biograph) Test for cycles in biograph object Bioinformatics Toolbox isdeployed Determine whether code is running in deployed or MATLAB mode MATLAB Compiler isdioline Check for lines Data Acquisition Toolbox isdir Determine whether input is folder MATLAB isdistributed True for distributed array Parallel Computing Toolbox isdouble Determine whether input is double-precision data type Fixed-Point Toolbox isdriver Detect whether driver is valid JDBC driver object Database Toolbox IsEditable Boolean signaling whether data is editable Model-Based Calibration Toolbox isempty Determine whether LTI model is empty Control System Toolbox isempty True for empty financial time series objects Financial Toolbox isempty Determine whether array is empty Fixed-Point Toolbox isempty Determine whether array is empty MATLAB isempty (timeseries) Determine whether timeseries object is empty MATLAB isempty (tscollection) Determine whether tscollection object is empty MATLAB isenabled (For CCS) Determine whether RTDX link is enabled for communications Embedded IDE Link isequal Multiple object equality Financial Toolbox isequal Determine whether real-world values of two fi objects are equal, or determine whether properties of two fimath, numerictype, or quantizer objects are equal Fixed-Point Toolbox isequal Test arrays for equality MATLAB isequal (DataMatrix) Test DataMatrix objects for equality Bioinformatics Toolbox isequal (MException) Compare MException objects for equality MATLAB isequalwithequalnans Test arrays for equality, treating NaNs as equal MATLAB isequalwithequalnans (DataMatrix) Test DataMatrix objects for equality, treating NaNs as equal Bioinformatics Toolbox isevent Determine whether input is COM object event MATLAB isfi Determine whether variable is fi object Fixed-Point Toolbox isfield Check whether string is field name Financial Toolbox isfield Determine whether input is structure array field MATLAB isfilterseparable Determine whether filter coefficients are separable Video and Image Processing Blockset isfimath Determine whether variable is fimath object Fixed-Point Toolbox isfimathlocal Determine whether fi object has attached fimath object Fixed-Point Toolbox isfinite Determine whether array elements are finite Fixed-Point Toolbox isfinite Array elements that are finite MATLAB isfipref Determine whether input is fipref object Fixed-Point Toolbox isfir Determine whether filter is FIR Filter Design Toolbox isfixed Determine whether input is fixed-point data type Fixed-Point Toolbox isflat True for flat structuring element Image Processing Toolbox isfloat Determine whether input is floating-point data type Fixed-Point Toolbox isfloat Determine whether input is floating-point array MATLAB isglobal Determine whether input is global variable MATLAB isgray True for grayscale image Image Processing Toolbox ishandle Determine whether input is valid Handle Graphics handle MATLAB ishghandle True for Handle Graphics object handles MATLAB ishold Current hold state MATLAB isicc True for valid ICC color profile Image Processing Toolbox isind True for indexed image Image Processing Toolbox isinf Determine whether array elements are infinite Fixed-Point Toolbox isinf Array elements that are infinite MATLAB isinteger Determine whether input is integer array MATLAB isinterface Determine whether input is COM interface MATLAB isjava Determine whether input is Sun Java object MATLAB isjdbc Detect whether driver is JDBC compliant Database Toolbox isKey (Map) Check if containers.Map contains key MATLAB iskeyword Determine whether input is MATLAB keyword MATLAB isletter Array elements that are alphabetic letters MATLAB islinear Determine if cfit, sfit, or fittype object is linear Curve Fitting Toolbox islinphase Determine whether filter is linear phase Filter Design Toolbox islogging Determine whether analog input object is logging data Data Acquisition Toolbox islogging Determine whether video input object is logging Image Acquisition Toolbox islogical Determine whether input is logical array MATLAB ismac Determine if version is for Mac OS X platform MATLAB ismap True for axes with map projection Mapping Toolbox ismapped True, if object is projected on map axes Mapping Toolbox ismaxphase Determine whether filter is maximum phase Filter Design Toolbox ismcc Test if code is running during compilation process (using mcc) MATLAB Compiler ismember Array elements that are members of set MATLAB ismethod Determine whether input is COM object method MATLAB isminphase Determine whether filter is minimum phase Filter Design Toolbox isnan Determine whether array elements are NaN Fixed-Point Toolbox isnan Array elements that are NaN MATLAB isnitf Check if file is National Imagery Transmission Format (NITF) file Image Processing Toolbox isnode Existing node test Wavelet Toolbox isnullcolumn Detect whether last record read in resultset is NULL Database Toolbox isnumeric Determine whether input is numeric array Fixed-Point Toolbox isnumeric Determine whether input is numeric array MATLAB isnumerictype Determine whether input is numerictype object Fixed-Point Toolbox isobject Determine whether input is MATLAB object Fixed-Point Toolbox isobject Is input MATLAB object MATLAB isocaps Compute isosurface end-cap geometry MATLAB isocolors Calculate isosurface and patch colors MATLAB isoelectric Estimate isoelectric point for amino acid sequence Bioinformatics Toolbox isomorphism (biograph) Find isomorphism between two biograph objects Bioinformatics Toolbox isonormals Compute normals of isosurface vertices MATLAB isosurface Extract isosurface data from volume data MATLAB isotopicdist Calculate high-resolution isotope mass distribution and density function Bioinformatics Toolbox ispassive Check passivity of N-port S-parameters RF Toolbox ispc Determine if version is for Windows (PC) platform MATLAB ispolycw True if polygon vertices are in clockwise order Mapping Toolbox ispref Test for existence of preference MATLAB isprime Array elements that are prime numbers MATLAB isprimitive True for primitive polynomial for Galois field Communications Toolbox isprop Determine whether input is COM object property MATLAB ispropequal Determine whether properties of two fi objects are equal Fixed-Point Toolbox isproper Determine whether LTI model is proper Control System Toolbox ispsys True for parameter-dependent systems Robust Control Toolbox isquantizer Determine whether input is quantizer object Fixed-Point Toolbox isreadable (For CCS) Determine whether MATLAB software can read specified memory block Embedded IDE Link isreadonly Detect whether database connection is read-only Database Toolbox isreal Determine whether filter uses real coefficients Filter Design Toolbox isreal Determine whether array elements are real Fixed-Point Toolbox isreal Determine whether model parameters or data values are real System Identification Toolbox isreal Check if input is real array MATLAB isreplicated True for replicated array Parallel Computing Toolbox isrgb True for RGB image Image Processing Toolbox isrow Determine whether fi object is row vector Fixed-Point Toolbox isrset Check if file is an R-Set Image Processing Toolbox isrtdxcapable (For CCS) Determine whether processor supports RTDX Embedded IDE Link isrunning Determine whether device object is running Data Acquisition Toolbox isrunning (For CCS) Determine whether processor is executing process Embedded IDE Link isrunning (For VisualDSP++) Determine whether processor is executing process Embedded IDE Link isrunning Determine whether video input object is running Image Acquisition Toolbox isscalar Determine whether input is scalar Fixed-Point Toolbox isscalar Determine whether input is scalar MATLAB isscaleddouble Determine whether input is scaled double data type Fixed-Point Toolbox isscaledtype Determine whether input is fixed-point or scaled double data type Fixed-Point Toolbox issending Determine whether analog output object is sending data Data Acquisition Toolbox isShapeMultipart True, if polygon or line has multiple parts Mapping Toolbox issigned Determine whether fi object is signed Fixed-Point Toolbox issingle Determine whether input is single-precision data type Fixed-Point Toolbox issiso Determine whether LTI model is single-input/single-output (SISO) Control System Toolbox isslopebiasscaled Determine whether numerictype object has nontrivial slope and bias Fixed-Point Toolbox issorted Check whether dates and times are monotonically increasing Financial Toolbox issorted Determine whether set elements are in sorted order MATLAB issos Determine whether filter is SOS form Filter Design Toolbox isspace Array elements that are space characters MATLAB isspantree (biograph) Determine if tree created from biograph object is spanning tree Bioinformatics Toolbox issparse Determine whether input is sparse MATLAB isstable Determine whether filter is stable Filter Design Toolbox isstr Determine whether input is character array MATLAB isstrprop Determine whether string is of specified category MATLAB isstruct Determine whether input is structure array MATLAB isstudent Determine if version is Student Version MATLAB istnode Terminal nodes indices test Wavelet Toolbox istrellis True for valid trellis structure Communications Toolbox isuncertain Purpose Check whether argument is uncertain class type Robust Control Toolbox isunix Determine if version is for UNIX platform MATLAB isurl Detect whether database URL is valid Database Toolbox isvalid Determine whether device objects, channels, or lines are valid Data Acquisition Toolbox isvalid Determine whether image acquisition object is associated with image acquisition device Image Acquisition Toolbox isvalid Determine whether instrument objects are valid Instrument Control Toolbox isvalid True for undeleted OPC Toolbox objects OPC Toolbox isvalid (handle) Is object valid handle class object MATLAB isvalid (serial) Determine whether serial port objects are valid MATLAB isvalid (timer) Determine whether timer object is valid MATLAB isvarname Determine whether input is valid variable name MATLAB isvector Determine whether input is vector Fixed-Point Toolbox isvector Determine whether input is vector MATLAB isvisible (For CCS) Determine whether CCS IDE is running Embedded IDE Link isvisible (For VisualDSP++) Determine if IDE is running on desktop and window is open Embedded IDE Link iswritable (For CCS) Determine whether MATLAB software can write to specified memory block Embedded IDE Link iswt Purpose Inverse discrete stationary wavelet transform 1-D Wavelet Toolbox iswt2 Purpose Inverse discrete stationary wavelet transform 2-D Wavelet Toolbox Item (env collection object) Retrieve specific xPC Target environment (env) object xPC Target ittprice Price instruments using implied trinomial tree (ITT) Financial Derivatives Toolbox ittsens Instrument sensitivities and prices using implied trinomial tree (ITT) Financial Derivatives Toolbox itttimespec Specify time structure using implied trinomial tree (ITT) Financial Derivatives Toolbox itttree Build implied trinomial stock tree Financial Derivatives Toolbox iv4 Estimate ARX model using four-stage instrumental variable method System Identification Toolbox ivar Estimate AR model using instrumental variable method System Identification Toolbox iviconfigurationstore Create IVI configuration store object Instrument Control Toolbox ivstruc Loss functions for sets of ARX model structures System Identification Toolbox ivx Estimate parameters of ARX model using instrumental variable method with arbitrary instruments System Identification Toolbox iwishrnd Inverse Wishart random numbers Statistics Toolbox