abs

MATLAB

—

abs

Fixed-Point Toolbox

—

acos

MATLAB

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when the input value x is real, but the output should be complex. To get the complex result, make the input value complex by passing in complex(x).

acosd

MATLAB

—

acosh

MATLAB

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when the input value x is real, but the output should be complex. To get the complex result, make the input value complex by passing in complex(x).

acot

MATLAB

—

acotd

MATLAB

—

acoth

MATLAB

—

acsc

MATLAB

—

acscd

MATLAB

—

acsch

MATLAB

—

add

Fixed-Point Toolbox

—

all

MATLAB

—

all

Fixed-Point Toolbox

—

and

MATLAB

—

angle

MATLAB

—

any

MATLAB

—

any

Fixed-Point Toolbox

—

asec

MATLAB

—

asecd

MATLAB

—

asech

MATLAB

—

asin

MATLAB

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when the input value x is real, but the output should be complex. To get the complex result, make the input value complex by passing in complex(x).

asind

MATLAB

—

asinh

MATLAB

—

assert

MATLAB

• Generates specified error messages at compile time only if all input arguments are constants or depend on constants. Otherwise, generates specified error messages at run time.

atan

MATLAB

—

atan2

MATLAB

—

atand

MATLAB

—

atanh

MATLAB

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when the input value x is real, but the output should be complex. To get the complex result, make the input value complex by passing in complex(x).

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset™ license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

beta

MATLAB

—

betainc

MATLAB

—

betaln

MATLAB

—

bin2dec

MATLAB

—

MATLAB

• Does not support floating-point inputs. The arguments must belong to an integer class.

Fixed-Point Toolbox

• Not supported for slope-bias scaled fi objects.

Fixed-Point Toolbox

MATLAB

• Does not support floating-point input for the first argument. The first argument must belong to an integer class.

Fixed-Point Toolbox

Fixed-Point Toolbox

MATLAB

Fixed-Point Toolbox

MATLAB

MATLAB

• Does not support floating-point inputs. The arguments must belong to an integer class.

Fixed-Point Toolbox

• Not supported for slope-bias scaled fi objects.

Fixed-Point Toolbox

Fixed-Point Toolbox

—

Signal Processing Toolbox

• Computation performed at run time.

• Requires Signal Processing Blockset license to generate code.

Fixed-Point Toolbox

Fixed-Point Toolbox

MATLAB

• Does not support floating-point input for the first argument. The first argument must belong to an integer class.

Fixed-Point Toolbox

MATLAB

• Does not support floating-point input for the first argument. The first argument must belong to an integer class.

Fixed-Point Toolbox

Fixed-Point Toolbox

Fixed-Point Toolbox

—

Fixed-Point Toolbox

Fixed-Point Toolbox

MATLAB

• Does not support floating-point inputs. The arguments must belong to an integer class.

Fixed-Point Toolbox

• Not supported for slope-bias scaled fi objects.

Fixed-Point Toolbox

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

MATLAB

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

MATLAB

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

cart2pol

MATLAB

—

cart2sph

MATLAB

—

cast

MATLAB

—

cat

MATLAB

—

ceil

MATLAB

—

Fixed-Point Toolbox

—

Signal Processing Toolbox

• Inputs must be constant.

• Requires Signal Processing Blockset license to generate code.

char

MATLAB

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

chol

MATLAB

• Does not allow two output arguments.

circshift

MATLAB

—

class

MATLAB

—

compan

MATLAB

—

complex

MATLAB

—

complex

Fixed-Point Toolbox

—

conj

MATLAB

—

conj

Fixed-Point Toolbox

—

conv

MATLAB

—

conv

Fixed-Point Toolbox

• Variable-sized inputs are only supported when the SumMode property of the governing fimath is set to Specify precision or Keep LSB.

• For variable-sized signals, you may see different results between the Embedded MATLAB subset and MATLAB.

  • In the Embedded MATLAB subset, the output for variable-sized signals is always computed using the SumMode property of the governing fimath.

  • In MATLAB, the output for variable-sized signals is computed using the SumMode property of the governing fimath when both inputs are non-scalar. However, if either input is a scalar, MATLAB computes the output using the ProductMode of the governing fimath.

conv2

MATLAB

—

convergent

Fixed-Point Toolbox

—

cos

MATLAB

—

cosd

MATLAB

—

cosh

MATLAB

—

cot

MATLAB

—

cotd

MATLAB

—

coth

MATLAB

—

cov

MATLAB

—

cross

MATLAB

• If supplied, dim must be a constant.

csc

MATLAB

—

cscd

MATLAB

—

csch

MATLAB

—

ctranspose

MATLAB

—

ctranspose

Fixed-Point Toolbox

—

cumprod

MATLAB

—

cumsum

MATLAB

—

cumtrapz

MATLAB

—

deconv

MATLAB

—

det

MATLAB

—

detrend

MATLAB

• If supplied and not empty, the input argument bp must satisfy the following requirements:

  • Be real

  • Be sorted in ascending order

  • Restrict elements to integers in the interval [1, n-2], where n is the number of elements in a column of input argument X , or the number of elements in X when X is a row vector

  • Contain all unique values

diag

MATLAB

• If supplied, the argument representing the order of the diagonal matrix must be a real and scalar integer value.

diag

Fixed-Point Toolbox

• If supplied, the index, k, must be a real and scalar integer value that is not a fi object.

diff

MATLAB

• If supplied, the arguments representing the number of times to apply diff and the dimension along which to calculate the difference must be constants.

disp

Fixed-Point Toolbox

—

divide

Fixed-Point Toolbox

• Any non-fi input must be constant; that is, its value must be known at compile time so that it can be cast to a fi object.

• Complex and imaginary divisors are not supported.

dot

MATLAB

—

double

MATLAB

—

double

Fixed-Point Toolbox

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

eig

MATLAB

• QZ algorithm used in all cases. Consequently, for the standard eigenvalue problem (B identity), results will be similar to those obtained using the following code in MATLAB:

  [V,D] = eig(A,eye(size(A)),'qz')

  However, V may represent a different basis of eigenvectors, and the eigenvalues in D may not be in the same order.

• Options 'balance', 'nobalance', and 'chol' are not supported.

• Outputs are always of complex type.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

ellipke

MATLAB

—

end

Fixed-Point Toolbox

—

eps

MATLAB

—

eps

Fixed-Point Toolbox

• Supported for scalar fixed-point signals only.

• Supported for scalar, vector, and matrix, fi single and fi double signals.

eq

MATLAB

—

eq

Fixed-Point Toolbox

• Not supported for fixed-point signals with different biases.

erf

MATLAB

—

erfc

MATLAB

—

erfcinv

MATLAB

—

erfcx

MATLAB

—

erfinv

MATLAB

—

error

MATLAB

• This is an extrinsic call.

exp

MATLAB

—

expint

MATLAB

—

expm

MATLAB

—

expm1

MATLAB

—

eye

MATLAB

• Dimensions must be real, nonnegative, integer constants.

factorial

MATLAB

—

false

MATLAB

• Dimensions must be real, nonnegative, integer constants.

fft

MATLAB

• Length of input vector must be a power of 2.

fft2

MATLAB

• Length of input matrix dimensions must each be a power of 2.

MATLAB

—

fi

Fixed-Point Toolbox

• Use to create a fixed-point constant or variable.

• The default constructor syntax without any input arguments is not supported.

• The syntax fi('PropertyName',PropertyValue...) is not supported. To use property name/property value pairs, you must first specify the value v of the fi object as in fi(v,'PropertyName',PropertyValue...).

• Works for all input values when complete numerictype information of the fi object is provided.

• Works only for constant input values (value of input must be known at compile time) when complete numerictype information of the fi object is not specified.

• numerictype object information must be available for non-fixed-point Simulink inputs.

filter

MATLAB

—

filter2

MATLAB

—

fimath

Fixed-Point Toolbox

• Fixed-point signals coming in to an Embedded MATLAB Function block from Simulink are assigned the fimath object defined in the Embedded MATLAB Function dialog in the Model Explorer.

• Use to create fimath objects in Embedded MATLAB code.

find

MATLAB

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

fix

MATLAB

—

fix

Fixed-Point Toolbox

—

fft2

MATLAB

• Dimensions 1 and 2 of the input matrix must have power of two length

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

flipdim

MATLAB

—

fliplr

MATLAB

—

flipud

MATLAB

—

floor

MATLAB

—

floor

Fixed-Point Toolbox

—

freqspace

MATLAB

—

full

MATLAB

—

fzero

MATLAB

• The first argument must be a function handle. Does not support structure, inline function, or string inputs for the first argument.

• Supports up to three output arguments. Does not support the fourth output argument (the output structure).

• Only supports the TolX and FunValCheck fields of an options input structure. Ignores all other options in an options input structure. Embedded MATLAB does not support the optimset function to create the options structure. Create this structure directly, for example,

  opt.TolX = tol; 
  opt.FunValCheck = 'on';

  The input structure field names must match exactly. Embedded MATLAB does not support partial matching.

gamma

MATLAB

—

gammainc

MATLAB

—

gammaln

MATLAB

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

gcd

MATLAB

—

ge

MATLAB

—

ge

Fixed-Point Toolbox

• Not supported for fixed-point signals with different biases.

get

Fixed-Point Toolbox

• The syntax structure = get(o) is not supported.

getlsb

Fixed-Point Toolbox

getmsb

Fixed-Point Toolbox

gt

MATLAB

—

gt

Fixed-Point Toolbox

• Not supported for fixed-point signals with different biases.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

hex2dec

MATLAB

—

hilb

MATLAB

—

hist

MATLAB

• Histogram bar plotting not supported; call with at least one output argument.

• If supplied, the second argument x must be a scalar constant.

• Inputs must be real.

histc

MATLAB

—

horzcat

Fixed-Point Toolbox

—

hypot

MATLAB

—

idivide

MATLAB

• opt string must be in lowercase.

• For efficient generated code, MATLAB rules for divide by zero are supported only for the 'round' option.

ifft

MATLAB

• Length of input vector must be a power of 2.

• Output of ifft block is always complex.

• Does not support the 'symmetric' option.

ifft2

MATLAB

• Length of input matrix dimensions must each be a power of 2.

• Does not support the 'symmetric' option.

ifftshift

MATLAB

—

imag

MATLAB

—

imag

Fixed-Point Toolbox

—

ind2sub

MATLAB

• The first argument should be a valid size vector. Size vectors for arrays with more than intmax elements are not supported.

inf

MATLAB

• Dimensions must be real, nonnegative, integer constants.

int8, int16, int32

MATLAB

—

int, int8, int16, int32

Fixed-Point Toolbox

—

interp1

MATLAB

• Supports only linear and nearest interpolation methods.

• Does not handle evenly spaced X indices separately.

• X must be strictly monotonically increasing or strictly monotonically decreasing; does not reorder indices.

interp1q, see interp1

MATLAB

• X must be strictly monotonically increasing or strictly monotonically decreasing; does not reorder indices.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

intmax

intmin

MATLAB

inv

MATLAB

Singular matrix inputs can produce nonfinite values that differ from MATLAB results.

invhilb

MATLAB

—

ipermute

MATLAB

—

isa

MATLAB

—

iscell

MATLAB

—

ischar

MATLAB

—

iscolumn

Fixed-Point Toolbox

—

isempty

MATLAB

—

isempty

Fixed-Point Toolbox

—

isequal

MATLAB

—

isequal

Fixed-Point Toolbox

—

isequalwithequalnans

MATLAB

—

isfi

Fixed-Point Toolbox

—

isfield

MATLAB

• Does not support cell input for second argument

isfimath

Fixed-Point Toolbox

—

isfimathlocal

Fixed-Point Toolbox

—

isfinite

MATLAB

—

isfinite

Fixed-Point Toolbox

—

isfloat

MATLAB

—

isinf

MATLAB

—

isinf

Fixed-Point Toolbox

—

isinteger

MATLAB

—

islogical

MATLAB

—

isnan

MATLAB

—

isnan

Fixed-Point Toolbox

—

isnumeric

MATLAB

—

isnumeric

Fixed-Point Toolbox

—

isnumerictype

Fixed-Point Toolbox

—

isreal

MATLAB

—

isreal

Fixed-Point Toolbox

—

isrow

Fixed-Point Toolbox

—

isscalar

MATLAB

—

isscalar

Fixed-Point Toolbox

—

issigned

Fixed-Point Toolbox

—

issorted

MATLAB

—

issparse

MATLAB

—

isstr

MATLAB

—

isstruct

MATLAB

—

isvector

MATLAB

—

isvector

Fixed-Point Toolbox

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

Signal Processing Toolbox

• Computation performed at run time.

• Requires Signal Processing Blockset license to generate code.

kron

MATLAB

—

lcm

MATLAB

—

ldivide

MATLAB

—

le

MATLAB

—

le

Fixed-Point Toolbox

• Not supported for fixed-point signals with different biases.

length

MATLAB

—

length

Fixed-Point Toolbox

—

linspace

MATLAB

• Number of points N must be a constant that is positive, real, and integer valued

log

MATLAB

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when the input value x is real, but the output should be complex. To get the complex result, make the input value complex by passing in complex(x).

log2

MATLAB

—

log10

MATLAB

—

log1p

MATLAB

—

logical

MATLAB

—

logical

Fixed-Point Toolbox

—

logspace

MATLAB

—

lowerbound

Fixed-Point Toolbox

—

lsb

Fixed-Point Toolbox

• Supported for scalar fixed-point signals only.

• Supported for scalar, vector, and matrix, fi single and double signals.

lt

MATLAB

—

lt

Fixed-Point Toolbox

• Not supported for fixed-point signals with different biases.

lu

MATLAB

—

magic

MATLAB

—

max

MATLAB

—

max

Fixed-Point Toolbox

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

mean

MATLAB

—

median

MATLAB

—

meshgrid

MATLAB

—

min

MATLAB

—

min

Fixed-Point Toolbox

—

minus

MATLAB

—

minus

Fixed-Point Toolbox

• Any non-fi input must be constant; that is, its value must be known at compile time so that it can be cast to a fi object.

mldivide

MATLAB

—

mod

MATLAB

Performs all arithmetic in the output class. Hence, results might not match MATLAB due to different rounding errors.

mode

MATLAB

• Does not support third output argument C (cell array)

mpower

MATLAB

—

mpy

Fixed-Point Toolbox

• When you provide complex inputs to the mpy function inside of an Embedded MATLAB Function block, you must declare the input as complex before running the simulation. To do so, go to the Ports and data manager and set the Complexity parameter for all known complex inputs to On.

mrdivide

MATLAB

—

mrdivide

Fixed-Point Toolbox

—

mtimes

MATLAB

—

mtimes

Fixed-Point Toolbox

• Any non-fi input must be constant; that is, its value must be known at compile time so that it can be cast to a fi object.

• Variable-sized inputs are only supported when the SumMode property of the governing fimath is set to Specify precision or Keep LSB.

• For variable-sized signals, you may see different results between the Embedded MATLAB subset and MATLAB.

  • In the Embedded MATLAB subset, the output for variable-sized signals is always computed using the SumMode property of the governing fimath.

  • In MATLAB, the output for variable-sized signals is computed using the SumMode property of the governing fimath when both inputs are non-scalar. However, if either input is a scalar, MATLAB computes the output using the ProductMode of the governing fimath.

NaN or nan

MATLAB

• Dimensions must be real, nonnegative, integer constants

nargchk

MATLAB

• Output structure does not include stack information.

nargin

MATLAB

—

nargout

MATLAB

—

nargoutchk

MATLAB

• Output structure does not include stack information.

nchoosek

MATLAB

—

ndgrid

MATLAB

—

ndims

MATLAB

—

ndims

Fixed-Point Toolbox

—

ne

MATLAB

—

ne

Fixed-Point Toolbox

• Not supported for fixed-point signals with different biases.

nearest

Fixed-Point Toolbox

—

nextpow2

MATLAB

—

nnz

MATLAB

—

nonzeros

MATLAB

—

MATLAB

—

MATLAB

—

not

MATLAB

—

nthroot

MATLAB

—

numberofelements

Fixed-Point Toolbox

• Returns the number of elements of fi objects in the Embedded MATLAB subset (works the same as numel for fi objects in Embedded MATLAB).

numel

MATLAB

• Returns the number of elements of fi objects in the Embedded MATLAB subset, rather than always returning 1.

numerictype

Fixed-Point Toolbox

• Fixed-point signals coming in to an Embedded MATLAB Function block from Simulink are assigned a numerictype object that is populated with the signal's data type and scaling information.

• Returns the data type when the input is a non-fixed-point signal.

• Use to create numerictype objects in Embedded MATLAB code.

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

ones

MATLAB

• Dimensions must be real, nonnegative, integer constants

or

MATLAB

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

pascal

MATLAB

—

permute

MATLAB

—

permute

Fixed-Point Toolbox

—

pi

MATLAB

—

pinv

MATLAB

—

planerot

MATLAB

—

plus

MATLAB

—

plus

Fixed-Point Toolbox

• Any non-fi input must be constant; that is, its value must be known at compile time so that it can be cast to a fi object.

pol2cart

MATLAB

—

poly

MATLAB

• Does not discard nonfinite input values

• Complex input always produces complex output

polyfit

MATLAB

—

polyval

MATLAB

—

pow2

Fixed-Point Toolbox

—

power

MATLAB

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when both X and Y are real, but power(X,Y) is complex. To get the complex result, make the input value X complex by passing in complex(X). For example, power(complex(X),Y).

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when both X and Y are real, but X .^ Y is complex. To get the complex result, make the input value X complex by using complex(X). For example, complex(X).^Y.

prod

MATLAB

—

qr

MATLAB

—

quad2d

MATLAB

• Generates a warning if the size of the internal storage arrays is not sufficient. If a warning occurs, a possible workaround is to divide the region of integration into pieces and sum the integrals over each piece.

quatconj

Aerospace Blockset™

—

quatdivide

Aerospace Blockset

—

quatinv

Aerospace Blockset

—

quatmod

Aerospace Blockset

—

quatmultiply

Aerospace Blockset

—

quatnorm

Aerospace Blockset

—

quatnormalize

Aerospace Blockset

—

rand

MATLAB

• Does not support the V5 generator.

• May not match MATLAB results if seeded with negative values.

randn

MATLAB

• May not match MATLAB results if seeded with negative values

randn

MATLAB

—

randperm

MATLAB

—

range

Fixed-Point Toolbox

—

rank

MATLAB

—

rcond

MATLAB

—

rdivide

MATLAB

—

rdivide

Fixed-Point Toolbox

—

real

MATLAB

—

real

Fixed-Point Toolbox

—

reallog

MATLAB

—

realmax

MATLAB

—

realmax

Fixed-Point Toolbox

—

realmin

MATLAB

—

realmin

Fixed-Point Toolbox

—

realpow

MATLAB

—

realsqrt

MATLAB

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

reinterpretcast

Fixed-Point Toolbox

—

rem

MATLAB

Performs all arithmetic in the output class. Hence, results might not match MATLAB due to different rounding errors.

repmat

MATLAB

—

repmat

Fixed-Point Toolbox

—

rescale

Fixed-Point Toolbox

—

reshape

MATLAB

—

reshape

Fixed-Point Toolbox

—

roots

MATLAB

• Output is always variable size

• Output is always complex

• Roots may not be in the same order as MATLAB

• Roots of poorly conditioned polynomials may not match MATLAB

rot90

MATLAB

—

round

MATLAB

—

round

Fixed-Point Toolbox

—

sec

MATLAB

—

secd

MATLAB

—

sech

MATLAB

—

sfi

Fixed-Point Toolbox

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

shiftdim

MATLAB

• Second argument must be a constant

• Class of second argument must be single or double

sign

MATLAB

—

sign

Fixed-Point Toolbox

—

sin

MATLAB

—

sind

MATLAB

—

single

MATLAB

—

single

Fixed-Point Toolbox

—

sinh

MATLAB

—

size

MATLAB

—

size

Fixed-Point Toolbox

—

sort

MATLAB

—

sort

Fixed-Point Toolbox

—

sortrows

MATLAB

—

sosfilt

Signal Processing Toolbox

• Computation performed at run time.

• Requires Signal Processing Blockset license to generate code.

sph2cart

MATLAB

—

squeeze

MATLAB

—

sqrt

MATLAB

• Generates an error during simulation and returns NaN for Real-Time Workshop targets when the input value x is real, but the output should be complex. To get the complex result, make the input value complex by passing in complex(x).

sqrt

Fixed-Point Toolbox

• Complex and [Slope Bias] inputs error out.

• Negative inputs yield a 0 result.

std

MATLAB

—

strcmp

MATLAB

• Arguments must be computable at compile time.

MATLAB

—

sub

Fixed-Point Toolbox

—

sub2ind

MATLAB

• The first argument should be a valid size vector. Size vectors for arrays with more than intmax elements are not supported.

subsasgn

Fixed-Point Toolbox

—

subspace

MATLAB

—

subsref

Fixed-Point Toolbox

—

sum

MATLAB

—

sum

Fixed-Point Toolbox

• Variable-sized inputs are only supported when the SumMode property of the governing fimath is set to Specify precision or Keep LSB.

svd

MATLAB

—

tan

MATLAB

—

tand

MATLAB

—

tanh

MATLAB

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

times

MATLAB

—

times

Fixed-Point Toolbox

• Any non-fi input must be constant; that is, its value must be known at compile time so that it can be cast to a fi object.

• When you provide complex inputs to the times function inside of an Embedded MATLAB Function block, you must declare the input as complex before running the simulation. To do so, go to the Ports and data manager and set the Complexity parameter for all known complex inputs to On.

toeplitz

MATLAB

—

trace

MATLAB

—

trapz

MATLAB

—

transpose

MATLAB

—

transpose

Fixed-Point Toolbox

—

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

tril

MATLAB

• If supplied, the argument representing the order of the diagonal matrix must be a real and scalar integer value.

tril

Fixed-Point Toolbox

• If supplied, the index, k, must be a real and scalar integer value that is not a fi object.

triu

MATLAB

• If supplied, the argument representing the order of the diagonal matrix must be a real and scalar integer value.

triu

Fixed-Point Toolbox

• If supplied, the index, k, must be a real and scalar integer value that is not a fi object.

true

MATLAB

• Dimensions must be real, nonnegative, integer constants

Signal Processing Toolbox

• Inputs must be constant

• Requires Signal Processing Blockset license to generate code.

typecast

MATLAB

• Value of string input argument type must be lower case

• You may receive a size error when you use typecast with inheritance of input port data types in Embedded MATLAB Function blocks. To avoid this error, specify the block's input port data types explicitly.

ufi

Fixed-Point Toolbox

—

uint8, uint16, uint32

MATLAB

—

uint8, uint16, uint32

Fixed-Point Toolbox

—

uminus

MATLAB

—

uminus

Fixed-Point Toolbox

—

uplus

MATLAB

—

uplus

Fixed-Point Toolbox

—

upperbound

Fixed-Point Toolbox

—

vander

MATLAB

—

var

MATLAB

—

vertcat

Fixed-Point Toolbox

—

wilkinson

MATLAB

—

xcorr

Signal Processing Toolbox

• Does not support the case where A is a matrix

• Does not support partial (abbreviated) strings of biased, unbiased, coeff, or none

• Computation performed at run time.

• Requires Signal Processing Blockset license to generate code

xor

MATLAB

—

Signal Processing Toolbox

• Computation performed at run time.

• Requires Signal Processing Blockset license to generate code.

zeros

MATLAB

• Dimensions must be real, nonnegative, integer constants

zp2tf

MATLAB

• Requires Signal Processing Blockset license to generate code

quatconj

Calculate conjugate of quaternion

quatdivide

Divide quaternion by another quaternion

quatinv

Calculate inverse of quaternion

quatmod

Calculate modulus of quaternion

quatmultiply

Calculate product of two quaternions

quatnorm

Calculate norm of quaternion

quatnormalize

Normalize quaternion

Complex conjugate transpose (')

idivide

Integer division with rounding option

isa

Determine if input is object of given class

ldivide

Left array divide

minus

Minus (-)

mldivide

Left matrix divide (\)

mpower

Equivalent of array power operator (.^)

mrdivide

Right matrix divide

mtimes

Matrix multiply (*)

plus

Plus (+)

power

Array power

rdivide

Right array divide

times

Array multiply

transpose

Matrix transpose (')

uminus

Unary minus (-)

uplus

Unary plus (+)

cast

Cast variable to different data type

char

Create character array (string)

class

Query class of object argument

double

Convert to double-precision floating point

int8, int16, int32

Convert to signed integer data type

logical

Convert to Boolean true or false data type

single

Convert to single-precision floating point

typecast

Convert data types without changing underlying data

uint8, uint16, uint32

Convert to unsigned integer data type

complex

Construct complex data from real and imaginary components

conj

Return the conjugate of a complex number

imag

Return the imaginary part of a complex number

isnumeric

Return true for numeric arrays

isreal

Return false (0) for a complex number

isscalar

Return true if array is a scalar

real

Return the real part of a complex number

iscell

Determine whether input is cell array

isstr

Determine whether input is character array

nargchk

Validate number of input arguments

nargoutchk

Validate number of output arguments

cumtrapz

Cumulative trapezoidal numerical integration

diff

Differences and approximate derivatives

trapz

Trapezoidal numerical integration

lcm

Least common multiple of corresponding elements in arrays

gcd

Return an array containing the greatest common divisors of the corresponding elements of integer arrays

nchoosek

Binomial coefficient or all combinations

assert

Generate error when condition is violated

error

Display message and abort function

exp

Exponential

expm

Matrix exponential

expm1

Compute exp(x)-1 accurately for small values of x

factorial

Factorial function

log

Natural logarithm

log2

Base 2 logarithm and dissect floating-point numbers into exponent and mantissa

log10

Common (base 10) logarithm

log1p

Compute log(1+x) accurately for small values of x

nextpow2

Next higher power of 2

nthroot

Real nth root of real numbers

reallog

Natural logarithm for nonnegative real arrays

realpow

Array power for real-only output

realsqrt

Square root for nonnegative real arrays

sqrt

Square root

conv

Convolution and polynomial multiplication

conv2

2-D convolution

deconv

Deconvolution and polynomial division

detrend

Remove linear trends

filter

1-D digital filter

filter2

2-D digital filter

abs

Absolute value of fi object

add

Add two objects using fimath object

all

Determine whether all array elements are nonzero

any

Determine whether any array elements are nonzero

bitand

Bitwise AND of two fi objects

bitandreduce

Bitwise AND of consecutive range of bits

bitcmp

Bitwise complement of fi object

bitconcat

Concatenate bits of two fi objects

bitget

Bit at certain position

bitor

Bitwise OR of two fi objects

bitorreduce

Bitwise OR of consecutive range of bits

bitreplicate

Replicate and concatenate bits of a fi object

bitrol

Bitwise rotate left

bitror

Bitwise rotate right

bitset

Set bit at certain position

bitshift

Shift bits specified number of places

bitsliceget

Consecutive slice of bits

bitsll

Bit shift left logical

bitsra

Bit shift right arithmetic

bitsrl

Bit shift right logical

bitxor

Bitwise exclusive OR of two fi objects

bitxorreduce

Bitwise exclusive OR of consecutive range of bits

ceil

Round toward positive infinity

complex

Construct complex fi object from real and imaginary parts

conj

Complex conjugate of fi object

conv

Convolution and polynomial multiplication of fi objects

convergent

Round toward nearest integer with ties rounding to nearest even integer

ctranspose

Complex conjugate transpose of fi object

diag

Diagonal matrices or diagonals of matrix

disp

Display object

divide

Divide two objects

double

Double-precision floating-point real-world value of fi object

end

Last index of array

eps

Quantized relative accuracy for fi or quantizer objects

eq

Determine whether real-world values of two fi objects are equal

fi

Construct fi object

fimath

Construct fimath object

fix

Round toward zero

floor

Round toward negative infinity

ge

Determine whether real-world value of one fi object is greater than or equal to another

get

Property values of object

getlsb

Least significant bit

getmsb

Most significant bit

gt

Determine whether real-world value of one fi object is greater than another

horzcat

Horizontally concatenate multiple fi objects

imag

Imaginary part of complex number

int, int8, int16, or int32

Stored integer value of fi object as built-in int8, int16, or int32

iscolumn

Determine whether fi object is column vector

isempty

Determine whether array is empty

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

isfi

Determine whether variable is fi object

isfimath

Determine whether variable is fimath object

isfimathlocal

Determine whether fi object has attached fimath object

isfinite

Determine whether array elements are finite

isinf

Determine whether array elements are infinite

isnan

Determine whether array elements are NaN

isnumeric

Determine whether input is numeric array

isnumerictype

Determine whether variable is numerictype object

isreal

Determine whether array elements are real

isrow

Determine whether fi object is row vector

isscalar

Determine whether input is scalar

issigned

Determine whether fi object is signed

isvector

Determine whether input is vector

le

Determine whether real-world value of fi object is less than or equal to another

length

Vector length

logical

Convert numeric values to logical

lowerbound

Lower bound of range of fi object

lsb

Scaling of least significant bit of fi object

lt

Determine whether real-world value of one fi object is less than another

max

Largest element in array of fi objects

min

Smallest element in array of fi objects

minus

Matrix difference between fi objects

mpy

Multiply two objects using fimath object

mtimes

Matrix product of fi objects

ndims

Number of array dimensions

ne

Determine whether real-world values of two fi objects are not equal

nearest

Round toward nearest integer with ties rounding toward positive infinity

numberofelements

Number of data elements in fi array

numerictype

Construct numerictype object

permute

Rearrange dimensions of multidimensional array

plus

Matrix sum of fi objects

pow2

Multiply by 2^K

range

Numerical range of fi or quantizer object

real

Real part of complex number

realmax

Largest positive fixed-point value or quantized number

realmin

Smallest positive normalized fixed-point value or quantized number

reinterpretcast

Convert fixed-point data types without changing underlying data

repmat

Replicate and tile array

rescale

Change scaling of fi object

reshape

Reshape array

round

Round fi object toward nearest integer or round input data using quantizer object

sfi

Construct signed fixed-point numeric object

sign

Perform signum function on array

single

Single-precision floating-point real-world value of fi object

size

Array dimensions

sort

Sort elements of real-valued fi object in ascending or descending order

sqrt

Square root of fi object

sub

Subtract two objects using fimath object

subsasgn

Subscripted assignment

subsref

Subscripted reference

sum

Sum of array elements

times

Element-by-element multiplication of fi objects

transpose

Transpose operation

tril

Lower triangular part of matrix

triu

Upper triangular part of matrix

ufi

Construct unsigned fixed-point numeric object

uint8, uint16, or uint32

Stored integer value of fi object as built-in uint8, uint16, or uint32

uminus

Negate elements of fi object array

uplus

Unary plus

upperbound

Upper bound of range of fi object

vertcat

Vertically concatenate multiple fi objects

hist

Non-graphical histogram

histc

Histogram count

nargin

Return the number of input arguments a user has supplied

nargout

Return the number of output return values a user has requested

cart2pol

Transform Cartesian coordinates to polar or cylindrical

cart2sph

Transform Cartesian coordinates to spherical

interp1

One-dimensional interpolation (table lookup)

interp1q

Quick one-dimensional linear interpolation (table lookup)

meshgrid

Generate X and Y arrays for 3-D plots

pol2cart

Transform polar or cylindrical coordinates to Cartesian

sph2cart

Transform spherical coordinates to Cartesian

and

Logical AND (&&)

bitand

Bitwise AND

bitcmp

Bitwise complement

bitget

Bit at specified position

bitor

Bitwise OR

bitset

Set bit at specified position

bitshift

Shift bits specified number of places

bitxor

Bitwise XOR

not

Logical NOT (~)

or

Logical OR (||)

xor

Logical exclusive-OR

abs

Return absolute value and complex magnitude of an array

all

Test if all elements are nonzero

angle

Phase angle

any

Test for any nonzero elements

Concatenate arrays along specified dimension

circshift

Shift array circularly

Companion matrix

Condition number of a matrix with respect to inversion

Covariance matrix

cross

Vector cross product

cumprod

Cumulative product of array elements

cumsum

Cumulative sum of array elements

det

Matrix determinant

diag

Return a matrix formed around the specified diagonal vector and the specified diagonal (0, 1, 2,...) it occupies

diff

Differences and approximate derivatives

dot

Vector dot product

eig

Eigenvalues and eigenvectors

eye

Identity matrix

false

Return an array of 0s for the specified dimensions

find

Find indices and values of nonzero elements

flipdim

Flip array along specified dimension

fliplr

Flip matrix left to right

flipud

Flip matrix up to down

full

Convert sparse matrix to full matrix

hilb

Hilbert matrix

ind2sub

Subscripts from linear index

inv

Inverse of a square matrix

invhilb

Inverse of Hilbert matrix

ipermute

Inverse permute dimensions of array

isempty

Determine whether array is empty

isequal

Test arrays for equality

isequalwithequalnans

Test arrays for equality, treating NaNs as equal

isfinite

Detect finite elements of an array

isfloat

Determine if input is floating-point array

isinf

Detect infinite elements of an array

isinteger

Determine if input is integer array

islogical

Determine if input is logical array

isnan

Detect NaN elements of an array

issparse

Determine whether input is sparse

isvector

Determine whether input is vector

kron

Kronecker tensor product

length

Return the length of a matrix

linspace

Generate linearly spaced vectors

logspace

Generate logarithmically spaced vectors

lu

Matrix factorization

magic

Magic square

max

Maximum elements of a matrix

min

Minimum elements of a matrix

ndgrid

Generate arrays for N-D functions and interpolation

ndims

Number of dimensions

nnz

Number of nonzero matrix elements

nonzeros

Nonzero matrix elements

norm

Vector and matrix norms

normest

2-norm estimate

numel

Number of elements in array or subscripted array

ones

Create a matrix of all 1s

pascal

Pascal matrix

permute

Rearrange dimensions of array

pinv

Pseudoinverse of a matrix

planerot

Givens plane rotation

prod

Product of array element

qr

Orthogonal-triangular decomposition

randperm

Random permutation

rank

Rank of matrix

rcond

Matrix reciprocal condition number estimate

repmat

Replicate and tile an array

reshape

Reshape one array into the dimensions of another

rot90

Rotate matrix 90 degrees

shiftdim

Shift dimensions

sign

Signum function

size

Return the size of a matrix

sort

Sort elements in ascending or descending order

sortrows

Sort rows in ascending order

squeeze

Remove singleton dimensions

sub2ind

Single index from subscripts

subspace

Angle between two subspaces

sum

Sum of matrix elements

toeplitz

Toeplitz matrix

trace

Sum of diagonal elements

tril

Extract lower triangular part

triu

Extract upper triangular part

true

Return an array of logical (Boolean) 1s for the specified dimensions

vander

Vandermonde matrix

wilkinson

Wilkinson's eigenvalue test matrix

zeros

Create a matrix of all zeros

fzero

Find root of continuous function of one variable

quad2d

Numerically evaluate double integral over planar region

poly

Polynomial with specified roots

polyfit

Polynomial curve fitting

polyval

Polynomial evaluation

roots

Polynomial roots

eq

Equal (==)

ge

Greater than or equal to (>=)

gt

Greater than (>)

le

Less than or equal to (<=)

lt

Less than (<)

ne

Not equal (~=)

ceil

Round toward plus infinity

ceil

Round toward positive infinity

convergent

Round toward nearest integer with ties rounding to nearest even integer

fix

Round toward zero

fix

Round toward zero

floor

Round toward minus infinity

floor

Round toward negative infinity

mod

Modulus (signed remainder after division)

nearest

Round toward nearest integer with ties rounding toward positive infinity

rem

Remainder after division

round

Round toward nearest integer

round

Round fi object toward nearest integer or round input data using quantizer object

issorted

Determine whether set elements are in sorted order

barthannwin

Modified Bartlett-Hann window (requires Signal Processing Blockset license to generate code)

bitrevorder

Permute data into bit-reversed order (requires Signal Processing Blockset license to generate code)

blackman

Blackman window (requires Signal Processing Blockset license to generate code)

blackmanharris

Minimum 4-term Blackman-Harris window (requires Signal Processing Blockset license to generate code)

bohmanwin

Bohman window (requires Signal Processing Blockset license to generate code)

butter

Butterworth filter design (requires Signal Processing Blockset license to generate code)

cfirpm

Complex and nonlinear-phase equiripple FIR filter design (requires Signal Processing Blockset license to generate code)

chebwin

Chebyshev window (requires Signal Processing Blockset license to generate code)

cheby1

Chebyshev Type I filter design (passband ripple) (requires Signal Processing Blockset license to generate code)

cheby2

Chebyshev Type II filter design (stopband ripple) (requires Signal Processing Blockset license to generate code)

chol

Cholesky factorization

conv

Convolution and polynomial multiplication

dpss

Discrete prolate spheroidal (Slepian) sequences (requires Signal Processing Blockset license to generate code)

ellip

Elliptic filter design (requires Signal Processing Blockset license to generate code)

fft

Discrete Fourier transform

fft2

2-D discrete Fourier transform

fftshift

Shift zero-frequency component to center of spectrum

filter

Filter a data sequence using a digital filter that works for both real and complex inputs

fir1

Window-based finite impulse response filter design (requires Signal Processing Blockset license to generate code)

fir2

Frequency sampling-based finite impulse response filter design (requires Signal Processing Blockset license to generate code)

fircls

Constrained least square, lowpass and highpass, linear phase, FIR filter design (requires Signal Processing Blockset license to generate code)

fircls1

Constrained least square, lowpass and highpass, linear phase, FIR filter design (requires Signal Processing Blockset license to generate code)

firls

Least square linear-phase FIR filter design (requires Signal Processing Blockset license to generate code)

firpm

Parks-McClellan optimal FIR filter design (requires Signal Processing Blockset license to generate code)

firpmord

Parks-McClellan optimal FIR filter order estimation (requires Signal Processing Blockset license to generate code)

firrcos

Raised cosine FIR filter design (requires Signal Processing Blockset license to generate code)

flattopwin

Flat Top weighted window (requires Signal Processing Blockset license to generate code)

freqspace

Frequency spacing for frequency response

gaussfir

Gaussian FIR pulse-shaping filter (requires Signal Processing Blockset license to generate code)

gausswin

Gaussian window (requires Signal Processing Blockset license to generate code)

hamming

Hamming window (requires Signal Processing Blockset license to generate code)

hann

Hann (Hanning) window (requires Signal Processing Blockset license to generate code)

ifft

Inverse discrete Fourier transform

ifft2

2-D inverse discrete Fourier transform

ifftshift

Inverse discrete Fourier transform shift

intfilt

Interpolation FIR filter design (requires Signal Processing Blockset license to generate code)

kaiser

Kaiser window (requires Signal Processing Blockset license to generate code)

kaiserord

Kaiser window FIR filter design estimation parameters (requires Signal Processing Blockset license to generate code)

maxflat

Maxflat FIR filter (requires Signal Processing Blockset license to generate code)

nuttallwin

Nuttall-defined minimum 4-term Blackman-Harris window (requires Signal Processing Blockset license to generate code)

parzenwin

Parzen (de la Valle-Poussin) window (requires Signal Processing Blockset license to generate code)

rectwin

Rectangular window (requires Signal Processing Blockset license to generate code)

sgolay

Savitzky-Golay filter design (requires Signal Processing Blockset license to generate code)

sosfilt

Second-order (biquadratic) IIR filtering (requires Signal Processing Blockset license to generate code)

svd

Singular value decomposition

taylorwin

Taylor window (requires Signal Processing Blockset license to generate code)

triang

Triangular window (requires Signal Processing Blockset license to generate code)

tukeywin

Tukey (tapered cosine) window (requires Signal Processing Blockset license to generate code)

xcorr

Cross-correlation (requires Signal Processing Blockset license to generate code)

yulewalk

Recursive digital filter design (requires Signal Processing Blockset license to generate code)

zp2tf

Convert zero-pole-gain filter parameters to transfer function form (requires Signal Processing Blockset license to generate code)

eps

Floating-point relative accuracy

inf

IEEE^® arithmetic representation for positive infinity

intmax

Largest possible value of specified integer type

intmin

Smallest possible value of specified integer type

NaN or nan

Not a number

pi

Ratio of the circumference to the diameter for a circle

rand

Uniformly distributed pseudorandom numbers

randn

Normally distributed random numbers

realmax

Largest positive floating-point number

realmin

Smallest positive floating-point number