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

—

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 runtime.

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).

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

• 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

• Requires Signal Processing Blockset™ license.

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

cart2pol

MATLAB

—

cart2sph

MATLAB

—

cast

MATLAB

—

cat

MATLAB

—

ceil

MATLAB

—

Fixed-Point Toolbox

—

char

MATLAB

—

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

—

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

—

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

—

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.

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

—

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.

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.

fix

MATLAB

—

fix

Fixed-Point Toolbox

—

flipdim

MATLAB

—

fliplr

MATLAB

—

flipud

MATLAB

—

floor

MATLAB

—

floor

Fixed-Point Toolbox

—

freqspace

MATLAB

—

gamma

MATLAB

—

gammainc

MATLAB

—

gammaln

MATLAB

—

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.

hex2dec

MATLAB

—

hilb

MATLAB

—

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.

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.

intmax

intmin

MATLAB

inv

MATLAB

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

invhilb

MATLAB

—

ipermute

MATLAB

—

isa

MATLAB

—

ischar

MATLAB

—

iscolumn

Fixed-Point Toolbox

—

isempty

MATLAB

—

isempty

Fixed-Point Toolbox

—

isequal

MATLAB

—

isequalwithequalnans

MATLAB

—

isfi

Fixed-Point Toolbox

—

isfimath

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

—

isstruct

MATLAB

—

isvector

MATLAB

—

isvector

Fixed-Point Toolbox

—

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

—

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

—

mode

MATLAB

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

mpower

MATLAB

—

mrdivide

MATLAB

—

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.

NaN or nan

MATLAB

• Dimensions must be real, nonnegative, integer constants

nargin

MATLAB

—

nargout

MATLAB

—

nchoosek

MATLAB

—

nchoosek

MATLAB

—

nchoosek

MATLAB

—

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

—

MATLAB

—

MATLAB

—

not

MATLAB

—

nthroot

MATLAB

—

numberofelements

Fixed-Point Toolbox

• numberofelements and numel both work the same as MATLAB numel for fi objects in the Embedded MATLAB subset.

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.

ones

MATLAB

• Dimensions must be real, nonnegative, integer constants

or

MATLAB

—

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

—

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

range

Fixed-Point Toolbox

—

rank

MATLAB

—

rcond

MATLAB

—

rdivide

MATLAB

—

real

MATLAB

—

real

Fixed-Point Toolbox

—

reallog

MATLAB

—

realmax

MATLAB

—

realmax

Fixed-Point Toolbox

—

realmin

MATLAB

—

realmin

Fixed-Point Toolbox

—

realpow

MATLAB

—

realsqrt

MATLAB

—

reinterpretcast

Fixed-Point Toolbox

—

rem

MATLAB

—

repmat

MATLAB

—

repmat

Fixed-Point Toolbox

—

rescale

Fixed-Point Toolbox

—

reshape

MATLAB

—

reshape

Fixed-Point Toolbox

—

rot90

MATLAB

—

round

MATLAB

—

round

Fixed-Point Toolbox

—

sec

MATLAB

—

secd

MATLAB

—

sech

MATLAB

—

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

• Requires Signal Processing Blockset license

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

—

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

—

svd

MATLAB

—

tan

MATLAB

—

tand

MATLAB

—

tanh

MATLAB

—

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.

toeplitz

MATLAB

—

trace

MATLAB

—

trapz

MATLAB

—

transpose

MATLAB

—

transpose

Fixed-Point Toolbox

—

tril

MATLAB

—

tril

Fixed-Point Toolbox

—

triu

MATLAB

—

triu

Fixed-Point Toolbox

—

true

MATLAB

• Dimensions must be real, nonnegative, integer constants

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.

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

• Requires Signal Processing Blockset license

xor

MATLAB

—

zeros

MATLAB

• Dimensions must be real, nonnegative, integer constants

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

True for numeric arrays

isreal

Return false (0) for a complex number

isscalar

True if array is a scalar

real

Return the real part of a complex number

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

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

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

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

isfi

Determine whether variable is fi object

isfimath

Determine whether variable is 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