Main Content

Functions Supported on Thread Workers

Functions

Function Name Description
Logical Operators: Short-Circuit && || Logical operations with short-circuiting
function_handleHandle to function

A

Function Name Description
arrayfun Apply function to each element of array
abs Absolute value and complex magnitude
acos Inverse cosine in radians
acosd Inverse cosine in degrees
acosh Inverse hyperbolic cosine
acot Inverse cotangent in radians
acotd Inverse cotangent in degrees
acoth Inverse hyperbolic cotangent
acsc Inverse cosecant in radians
acscd Inverse cosecant in degrees
acsch Inverse hyperbolic cosecant
angle Phase angle
asec Inverse secant in radians
asecd Inverse secant in degrees
asech Inverse hyperbolic secant
asin Inverse sine in radians
asind Inverse sine in degrees
asinh Inverse hyperbolic sine
atan Inverse tangent in radians
atan2 Four-quadrant inverse tangent
atan2d Four-quadrant inverse tangent in degrees
atand Inverse tangent in degrees
atanh Inverse hyperbolic tangent
accumarray Accumulate vector elements
assert Throw error if condition false
all Determine if all array elements are nonzero or true
and Find logical AND
any Determine if any array elements are nonzero
alphaShape Polygons and polyhedra from points in 2-D and 3-D
amd Approximate minimum degree permutation
airy Airy Functions

B

Function Name Description
bounds Minimum and maximum values of an array
blkdiag Block diagonal matrix
balance Diagonal scaling to improve eigenvalue accuracy
bandwidth Lower and upper matrix bandwidth
bitand Bit-wise AND
bitcmp Bit-wise complement
bitget Get bit at specified position
bitor Bit-wise OR
bitset Set bit at specific location
bitshift Shift bits specified number of places
bitxor Bit-wise XOR
boundary Boundary of a set of points in 2-D or 3-D
bicg Solve system of linear equations — biconjugate gradients method
bicgstab Solve system of linear equations — stabilized biconjugate gradients method
bicgstabl Solve system of linear equations — stabilized biconjugate gradients (l) method
besselh Bessel function of third kind (Hankel function)
besseli Modified Bessel function of first kind
besselj Bessel function of first kind
besselk Modified Bessel function of second kind
bessely Bessel function of second kind
beta Beta function
betainc Incomplete beta function
betaincinv Beta inverse cumulative distribution function
betaln Logarithm of beta function
base2dec Convert text representation of base- n integer to double value
bin2dec Convert text representation of binary integer to double value
blanks Create character array of blanks
bsxfun Apply element-wise operation to two arrays with implicit expansion enabled
builtin Execute built-in function from overloaded method
bvp4c Solve boundary value problem — fourth-order method
bvp5c Solve boundary value problem — fifth-order method
bvpinit Form initial guess for boundary value problem solver
bandpower (Signal Processing Toolbox) Band power

C

Function Name Description
checkcode Check MATLAB code files for possible problems
conv Convolution and polynomial multiplication
conv2 2-D convolution
convn N-D convolution
corrcoef Correlation coefficients
cov Covariance
cummax Cumulative maximum
cummin Cumulative minimum
cumprod Cumulative product
cumsum Cumulative sum
cumtrapz Cumulative trapezoidal numerical integration
cast Convert variable to different data type
cell Cell array
cell2mat Convert cell array to ordinary array of the underlying data type
cell2struct Convert cell array to structure array
cellfun Apply function to each cell in cell array
class Class of object
ceil Round toward positive infinity
complex Create complex array
conj Complex conjugate
cos Cosine of argument in radians
cosd Cosine of argument in degrees
cosh Hyperbolic cosine
cot Cotangent of angle in radians
cotd Cotangent of argument in degrees
coth Hyperbolic cotangent
cplxpair Sort complex numbers into complex conjugate pairs
csc Cosecant of input angle in radians
cscd Cosecant of argument in degrees
csch Hyperbolic cosecant
cat Concatenate arrays
circshift Shift array circularly
colon Vector creation, array subscripting, and for -loop iteration
compan Companion matrix
computer Information about computer on which MATLAB is running
cmap2gray Convert RGB colormap to grayscale colormap
cdf2rdf Convert complex diagonal form to real block diagonal form
chol Cholesky factorization
cholupdate Rank 1 update to Cholesky factorization
cond Condition number for inversion
condeig Condition number with respect to eigenvalues
condest 1-norm condition number estimate
ctranspose Complex conjugate transpose
convhull Convex hull
convhulln N-D convex hull
circumcenter Circumcenter of triangle or tetrahedron
cgs Solve system of linear equations — conjugate gradients squared method
colamd Column approximate minimum degree permutation
colperm Sparse column permutation based on nonzero count
cart2pol Transform Cartesian coordinates to polar or cylindrical
cart2sph Transform Cartesian coordinates to spherical
cross Cross product
cellstr Convert to cell array of character vectors
char Character array
compose Format data into multiple strings
contains Determine if pattern is in strings
count Count occurrences of pattern in strings
clock Current date and time as date vector
cputime CPU time used by MATLAB
celldisp Display cell array contents
containers.Map Object that maps values to unique keys
czt (Signal Processing Toolbox) Chirp Z-transform
chirp (Signal Processing Toolbox) Swept-frequency cosine

D

Function Name Description
deconv Deconvolution and polynomial division
del2 Discrete Laplacian
detrend Remove polynomial trend
diff Differences and approximate derivatives
discretize Group data into bins or categories
deal Distribute inputs to outputs
deg2rad Convert angle from degrees to radians
diag Create diagonal matrix or get diagonal elements of matrix
disp Display value of variable
dir List folder contents
details Display array details
display Show information about variable or result of expression
decomposition Matrix decomposition for solving linear systems
det Matrix determinant
delaunay Delaunay triangulation
delaunayTriangulation Delaunay triangulation in 2-D and 3-D
delaunayn N-D Delaunay triangulation
dsearchn Nearest point search
dissect Nested dissection permutation
dmperm Dulmage-Mendelsohn decomposition
dot Dot product
deblank Remove trailing whitespace from ends of strings
dec2base Convert decimal integer to its base- n representation
dec2bin Convert decimal integer to its binary representation
dec2hex Convert decimal integer to its hexadecimal representation
date Current date as character vector
datestr Convert date and time to string format
dbstack Function call stack
deval Evaluate differential equation solution structure
dutycycle (Signal Processing Toolbox) Duty cycle of pulse waveform
dct (Signal Processing Toolbox) Discrete cosine transform

E

Function Name Description
enumeration Class enumeration members and names
events Event names
exp Exponential
expm1 Compute exp(x)-1 accurately for small values of x
eps Floating-point relative accuracy
eye Identity matrix
evalc Evaluate MATLAB expression and capture results
eig Eigenvalues and eigenvectors
eigs Subset of eigenvalues and eigenvectors
expm Matrix exponential
eq Determine equality
edges Triangulation edges
equilibrate Matrix scaling for improved conditioning
etree Elimination tree
ellipj Jacobi elliptic functions
ellipke Complete elliptic integrals of first and second kind
erf Error function
erfc Complementary error function
erfcinv Inverse complementary error function
erfcx Scaled complementary error function
erfinv Inverse error function
expint Exponential integral function
endsWith Determine if strings end with pattern
erase Delete substrings within strings
eraseBetween Delete substrings between start and end points
extractAfter Extract substrings after specified positions
extractBefore Extract substrings before specified positions
extractBetween Extract substrings between start and end points
end Terminate block of code or indicate last array index
error Throw error and display message
etime Time elapsed between date vectors
eval Evaluate MATLAB expression

F

Function Name Description
fft Fast Fourier transform
fft2 2-D fast Fourier transform
fftn N-D fast Fourier transform
fftshift Shift zero-frequency component to center of spectrum
fftw Define method for determining FFT algorithm
fillmissing Fill missing values
filloutliers Detect and replace outliers in data
filter 1-D digital filter
filter2 2-D digital filter
findgroups Find groups and return group numbers
fieldnames Field names of structure, or public fields of Java or COM Microsoft object
func2str Construct character vector from function handle
functions Information about function handle
fix Round toward zero
floor Round toward negative infinity
false Logical 0 (false)
find Find indices and values of nonzero elements
flintmax Largest consecutive integer in floating-point format
flip Flip order of elements
fliplr Flip array left to right
flipud Flip array up to down
freqspace Frequency spacing for frequency response
funm Evaluate general matrix function
fminbnd Find minimum of single-variable function on fixed interval
fminsearch Find minimum of unconstrained multivariable function using derivative-free method
fzero Root of nonlinear function
full Convert sparse matrix to full storage
factor Prime factors
factorial Factorial of input
filesep File separator for current platform
flow Simple function of three variables
format Set Command Window output display format
fprintf Write data to text file
fullfile Build full file name from parts

G

Function Name Description
gradient Numerical gradient
groupcounts Number of group elements
groupfilter Filter by group
groupsummary Group summary computations
grouptransform Transform by group
getfield Field of structure array
gallery Test matrices
getrangefromclass Default display range of image based on its class
genvarname Construct valid variable name from string
gsvd Generalized singular value decomposition
ge Determine greater than or equal to
gt Determine greater than
griddata Interpolate 2-D or 3-D scattered data
griddatan Interpolate N-D scattered data
griddedInterpolant Gridded data interpolation
gmres Solve system of linear equations — generalized minimum residual method
gamma Gamma function
gammainc Incomplete gamma function
gammaincinv Inverse incomplete gamma function
gammaln Logarithm of gamma function
gcd Greatest common divisor
getenv Environment variable

H

Function Name Description
histcounts Histogram bin counts
histcounts2 Bivariate histogram bin counts
hypot Square root of sum of squares (hypotenuse)
hadamard Hadamard matrix
hankel Hankel matrix
height Number of table rows
hilb Hilbert matrix
hsv2rgb Convert HSV colors to RGB
hess Hessenberg form of matrix
horzcat Concatenate arrays horizontally
hex2dec Convert text representation of hexadecimal integer to double value
hex2num Convert IEEE hexadecimal format to double-precision number
histc Histogram bin counts (not recommended; use histcounts )

I

Function Name Description
ifft Inverse fast Fourier transform
ifft2 2-D inverse fast Fourier transform
ifftn Multidimensional inverse fast Fourier transform
ifftshift Inverse zero-frequency shift
ischange Find abrupt changes in data
islocalmax Find local maxima
islocalmin Find local minima
ismissing Find missing values
isoutlier Find outliers in data
issorted Determine if array is sorted
issortedrows Determine if matrix or table rows are sorted
int16 16-bit signed integer arrays
int32 32-bit signed integer arrays
int64 64-bit signed integer arrays
int8 8-bit signed integer arrays
isUnderlyingType Determine whether input has specified underlying data type
isa Determine if input has specified data type
iscell Determine if input is cell array
isfield Determine if input is structure array field
isfloat Determine if input is floating-point array
isinteger Determine whether input is integer array
islogical Determine if input is logical array
ismethod Determine if object has specified method
isnumeric Determine whether input is numeric array
isobject Determine if input is MATLAB object
isprop True if property exists
isstruct Determine if input is structure array
imag Imaginary part of complex number
isreal Determine whether array uses complex storage
ind2sub Convert linear indices to subscripts
Inf Create array of all Inf values
intmax Largest value of specific integer type
intmin Smallest value of specified integer type
invhilb Inverse of Hilbert matrix
ipermute Inverse permute array dimensions
iscolumn Determine whether input is column vector
isempty Determine whether array is empty
isequal Determine array equality
isequaln Determine array equality, treating NaN values as equal
isfinite Determine which array elements are finite
isinf Determine which array elements are infinite
ismatrix Determine whether input is matrix
isnan Determine which array elements are NaN
isrow Determine whether input is row vector
isscalar Determine whether input is scalar
isvector Determine whether input is vector
isfile Determine if input is file
isfolder Determine if input is folder
ispc Determine if version is for Windows (PC) platform
isunix Determine if version is for Linux or Mac platforms
im2double Convert image to double precision
im2gray Convert RGB image to grayscale
imtile Combine multiple image frames into one rectangular tiled image
ind2rgb Convert indexed image to RGB image
inputParser Input parser for functions
iskeyword Determine whether input is MATLAB keyword
isvarname Determine if input is valid variable name
inv Matrix inverse
isbanded Determine if matrix is within specific bandwidth
isdiag Determine if matrix is diagonal
ishermitian Determine if matrix is Hermitian or skew-Hermitian
issymmetric Determine if matrix is symmetric or skew-symmetric
istril Determine if matrix is lower triangular
istriu Determine if matrix is upper triangular
idivide Integer division with rounding option
ismember Array elements that are members of set array
inpolygon Points located inside or on edge of polygonal region
interp1 1-D data interpolation (table lookup)
interp2 Interpolation for 2-D gridded data in meshgrid format
interp3 Interpolation for 3-D gridded data in meshgrid format
interpft 1-D interpolation (FFT method)
interpn Interpolation for 1-D, 2-D, 3-D, and N-D gridded data in ndgrid format
incenter Incenter of triangulation elements
ichol Incomplete Cholesky factorization
ilu Incomplete LU factorization
issparse Determine whether input is sparse
isprime Determine which array elements are prime
insertAfter Insert strings after specified substrings
insertBefore Insert strings before specified substrings
int2str Convert integers to characters
iscellstr Determine if input is cell array of character vectors
ischar Determine if input is character array
isstring Determine if input is string array
isstrprop Determine which characters in input strings are of specified category
i Imaginary unit
inmem Names of functions, MEX-files, classes in memory
inputname Variable name of function input
integral Numerical integration
integral2 Numerically evaluate double integral
integral3 Numerically evaluate triple integral
interp1q Quick 1-D linear interpolation
iscom Determine whether input is COM object
isenum Determine if variable is enumeration
isinterface Determine whether input is COM interface
ismac Determine if version is for macOS platform
ismembertol Members of set within tolerance

J

Function Name Description
j Imaginary unit
join Combine strings

K

Function Name Description
kron Kronecker tensor product

L

Function Name Description
logical Convert numeric values to logicals
log Natural logarithm
log10 Common logarithm (base 10)
log1p Compute log(1+x) accurately for small values of x
log2 Base 2 logarithm and floating-point number dissection
length Length of largest array dimension
linspace Generate linearly spaced vector
logspace Generate logarithmically spaced vector
ldl Block LDL' factorization for Hermitian indefinite matrices
linsolve Solve linear system of equations
logm Matrix logarithm
lscov Least-squares solution in presence of known covariance
lsqminnorm Minimum norm least-squares solution to linear equation
lu LU matrix factorization
ldivide Left array division
le Determine less than or equal to
lt Determine less than
lsqnonneg Solve nonnegative linear least-squares problem
lsqr Solve system of linear equations — least-squares method
lcm Least common multiple
legendre Associated Legendre functions
lower Convert strings to lowercase
lastwarn Last warning message
license Get license number or perform licensing task

M

Function Name Description
mlint Check MATLAB code files for possible problems
max Maximum elements of an array
maxk Find k largest elements of array
mean Average or mean value of array
median Median value of array
min Minimum elements of an array
mink Find k smallest elements of array
mode Most frequent values in array
movmad Moving median absolute deviation
movmax Moving maximum
movmean Moving mean
movmedian Moving median
movmin Moving minimum
movprod Moving product
movstd Moving standard deviation
movsum Moving sum
movvar Moving variance
mat2cell Convert array to cell array whose cells contain subarrays
mod Remainder after division (modulo operation)
magic Magic square
meshgrid 2-D and 3-D grids
MException Capture error information
mislocked Determine if function or script is locked in memory
mldivide Solve systems of linear equations Ax = B for x
mrdivide Solve systems of linear equations xA = B for x
metaclass Obtain meta.class object
minus Subtraction
mpower Matrix power
mtimes Matrix multiplication
makima Modified Akima piecewise cubic Hermite interpolation
minres Solve system of linear equations — minimum residual method
mat2str Convert matrix to characters
matches Determine if pattern matches strings
matlabroot root folder MATLAB
memory Memory information
mfilename File name of currently running code
milliseconds Duration in milliseconds
missing Create missing values
mkpp Make piecewise polynomial
mlock Prevent clearing function or script from memory
meanfreq (Signal Processing Toolbox) Mean frequency
medfreq (Signal Processing Toolbox) Median frequency

N

Function Name Description
normalize Normalize data
nufft Nonuniform fast Fourier transform
nufftn N-D nonuniform fast Fourier transform
namedargs2cell Convert structure containing name-value pairs to cell array
num2cell Convert array to cell array with consistently sized cells
nextpow2 Exponent of next higher power of 2
nthroot Real nth root of real numbers
NaN Create array of all NaN values
ndgrid Rectangular grid in N-D space
ndims Number of array dimensions
numel Number of array elements
namelengthmax Maximum identifier length
norm Vector and matrix norms
normest 2-norm estimate
null Null space of matrix
ne Determine inequality
not Find logical NOT
neighbors Triangle or tetrahedron neighbors
nnz Number of nonzero matrix elements
nonzeros Nonzero matrix elements
nzmax Amount of storage allocated for nonzero matrix elements
nchoosek Binomial coefficient or all combinations
native2unicode Convert numeric bytes to Unicode character representation
num2hex Convert single- and double-precision numbers to IEEE hexadecimal format
num2str Convert numbers to character array
NaT Not-a-Time
nargin Number of function input arguments
narginchk Validate number of input arguments
nargout Number of function output arguments
nargoutchk Validate number of output arguments
now Current date and time as serial date number

O

Function Name Description
orderfields Order fields of structure array
ones Create array of all ones
ordeig Eigenvalues of quasitriangular matrices
ordqz Reorder eigenvalues in QZ factorization
ordschur Reorder eigenvalues in Schur factorization
orth Orthonormal basis for range of matrix
or Find logical OR
optimget Optimization options values
optimset Create or modify optimization options structure
onCleanup Cleanup tasks upon function completion

P

Function Name Description
prod Product of array elements
properties Class property names
pow2 Base 2 power and scale floating-point numbers
pascal Pascal matrix
permute Permute array dimensions
pi Ratio of circle's circumference to its diameter
pinv Moore-Penrose pseudoinverse
planerot Givens plane rotation
polyeig Polynomial eigenvalue problem
pagectranspose Page-wise complex conjugate transpose
pagemtimes Page-wise matrix multiplication
pagetranspose Page-wise transpose
plus Add numbers, append strings
power Element-wise power
pchip Piecewise Cubic Hermite Interpolating Polynomial (PCHIP)
poly Polynomial with specified roots or characteristic polynomial
polyarea Area of polygon
polyder Polynomial differentiation
polyfit Polynomial curve fitting
polyint Polynomial integration
polyval Polynomial evaluation
polyvalm Matrix polynomial evaluation
ppval Evaluate piecewise polynomial
pcg Solve system of linear equations — preconditioned conjugate gradients method
perms All possible permutations
pol2cart Transform polar or cylindrical coordinates to Cartesian
primes Prime numbers less than or equal to input value
psi Digamma and polygamma functions
pad Add leading or trailing characters to strings
peak2peak (Signal Processing Toolbox) Maximum-to-minimum difference
peak2rms (Signal Processing Toolbox) Peak-magnitude-to-RMS ratio
pwelch (Signal Processing Toolbox) Welch’s power spectral density estimate

Q

Function Name Description
qr QR decomposition
qrdelete Remove column or row from QR factorization
qrinsert Insert column or row into QR factorization
qrupdate Rank 1 update to QR factorization
qz QZ factorization for generalized eigenvalues
qmr Solve system of linear equations — quasi-minimal residual method

R

Function Name Description
rescale Scale range of array elements
rmmissing Remove missing entries
rmoutliers Detect and remove outliers in data
rmfield Remove fields from structure
rad2deg Convert angle from radians to degrees
real Real part of complex number
reallog Natural logarithm for nonnegative real arrays
realpow Array power for real-only output
realsqrt Square root for nonnegative real arrays
rem Remainder after division
round Round to nearest decimal or integer
realmax Largest positive floating-point number
realmin Smallest normalized floating-point number
repelem Repeat copies of array elements
repmat Repeat copies of array
reshape Reshape array
rosser Classic symmetric eigenvalue test problem
rot90 Rotate array 90 degrees
rgb2gray Convert RGB image or colormap to grayscale
rgb2hsv Convert RGB colors to HSV
rank Rank of matrix
rcond Reciprocal condition number
rref Reduced row echelon form (Gauss-Jordan elimination)
rsf2csf Convert real Schur form to complex Schur form
rdivide Right array division
rectint Rectangle intersection area
roots Polynomial roots
rat Rational fraction approximation
rats Rational output
regexp Match regular expression (case sensitive)
regexpi Match regular expression (case insensitive)
regexprep Replace text using regular expression
replace Find and replace one or more substrings
replaceBetween Replace substrings between start and end points
reverse Reverse order of characters in strings
RandStream Random number stream
RandStream.getGlobalStream Get current global random number stream
RandStream.setGlobalStream Set global random number stream
rand Uniformly distributed random numbers
randi Uniformly distributed pseudorandom integers
randn Normally distributed random numbers
rethrow Reissue error
rng Control random number generator
rms (Signal Processing Toolbox) Root-mean-square level
rssq (Signal Processing Toolbox) Root-sum-of-squares level

S

Function Name Description
smoothdata Smooth noisy data
sort Sort array elements
sortrows Sort rows of matrix or table
splitapply Split data into groups and apply function
standardizeMissing Insert standard missing values
std Standard deviation
sum Sum of array elements
setfield Assign value to structure array field
str2func Construct function handle from character vector
struct Structure array
struct2cell Convert structure to cell array
structfun Apply function to each field of scalar structure
substruct Create structure argument for subsasgn or subsref
superclasses Names of superclasses
swapbytes Swap byte ordering
sec Secant of angle in radians
secd Secant of argument in degrees
sech Hyperbolic secant
sign Sign function (signum function)
sin Sine of argument in radians
sind Sine of argument in degrees
sinh Hyperbolic sine
sqrt Square root
shiftdim Shift array dimensions
size Array size
squeeze Remove dimensions of length 1
sub2ind Convert subscripts to linear indices
schur Schur decomposition
sqrtm Matrix square root
subspace Angle between two subspaces
svd Singular value decomposition
svds Subset of singular values and vectors
sylvester Solve Sylvester equation AX + XB = C for X
setdiff Set difference of two arrays
setxor Set exclusive OR of two arrays
scatteredInterpolant Interpolate 2-D or 3-D scattered data
spline Cubic spline data interpolation
size Size of triangulation connectivity list
spalloc Allocate space for sparse matrix
spaugment Form least-squares augmented system
spconvert Import from sparse matrix external format
spdiags Extract nonzero diagonals and create sparse band and diagonal matrices
speye Sparse identity matrix
spfun Apply function to nonzero sparse matrix elements
spones Replace nonzero sparse matrix elements with ones
spparms Set parameters for sparse matrix routines
sprank Structural rank
symamd Symmetric approximate minimum degree permutation
symbfact Symbolic factorization analysis
symmlq Solve system of linear equations — symmetric LQ method
symrcm Sparse reverse Cuthill-McKee ordering
sph2cart Transform spherical coordinates to Cartesian
split Split strings at delimiters
splitlines Split strings at newline characters
sprintf Format data into string or character vector
sscanf Read formatted data from strings
startsWith Determine if strings start with pattern
str2double Convert strings to double precision values
str2num Convert character array or string to numeric array
strcat Concatenate strings horizontally
strcmp Compare strings
strcmpi Compare strings (case insensitive)
strfind Find strings within other strings
string String array
strings Create string array with no characters
strip Remove leading and trailing characters from strings
strjoin Join strings in array
strjust Justify strings
strlength Lengths of strings
strncmp Compare first n characters of strings (case sensitive)
strncmpi Compare first n characters of strings (case insensitive)
strrep Find and replace substrings
strsplit Split string or character vector at specified delimiter
strtok Selected parts of strings
strtrim Remove leading and trailing whitespace from strings
settings Access the SettingsGroup root object
sprandsym Sparse symmetric random matrix
spectrogram (Signal Processing Toolbox) Spectrogram using short-time Fourier transform
stft (Signal Processing Toolbox) Short-time Fourier transform
sinc (Signal Processing Toolbox) Sinc function

T

Function Name Description
topkrows Top rows in sorted order
trapz Trapezoidal numerical integration
typecast Convert data type without changing underlying data
tan Tangent of argument in radians
tand Tangent of argument in degrees
tanh Hyperbolic tangent
toeplitz Toeplitz matrix
tril Lower triangular part of matrix
triu Upper triangular part of matrix
toolboxdir Root folder for specified toolbox
type Display contents of file
trace Sum of diagonal elements
times Multiplication
transpose Transpose vector or matrix
triangulation Triangulation in 2-D or 3-D
tsearchn N-D closest simplex search
tfqmr Solve system of linear equations — transpose-free quasi-minimal residual method
treelayout Lay out tree or forest
tic Start stopwatch timer
toc Read elapsed time from stopwatch
TriScatteredInterp (Not recommended) Interpolate scattered data
timeit Measure time required to run function

U

Function Name Description
uint16 16-bit unsigned integer arrays
uint32 32-bit unsigned integer arrays
uint64 64-bit unsigned integer arrays
uint8 8-bit unsigned integer arrays
underlyingType Type of underlying data determining array behavior
unwrap Shift phase angles
uminus Unary minus
unique Unique values in array
uplus Unary plus
unicode2native Convert Unicode character representation to numeric bytes
upper Convert strings to uppercase
uniquetol Unique values within tolerance
unmkpp Extract piecewise polynomial details
usejava Determine if Java feature is available

V

Function Name Description
var Variance
vander Vandermonde matrix
validateattributes Check validity of array
validatestring Check validity of text
vecnorm Vector-wise norm
vertcat Concatenate arrays vertically
voronoi Voronoi diagram
voronoin N-D Voronoi diagram

W

Function Name Description
width Number of table variables
wilkinson Wilkinson's eigenvalue test matrix
what List MATLAB files in folder
which Locate functions and files
weekday Day of week
warning Display warning message
whos List variables in workspace, with sizes and types

X

Function Name Description
xcorr Cross-correlation
xcov Cross-covariance
xor Find logical exclusive-OR
xspectrogram (Signal Processing Toolbox) Cross-spectrogram using short-time Fourier transforms

Z

Function Name Description
zeros Create array of all zeros

Methods

categorical methods

Function Name Description
addcats Add categories to categorical array
categories Categories of categorical array
countcats Count occurrences of categorical array elements by category
iscategory Test for categorical array categories
isordinal Determine whether input is ordinal categorical array
isprotected Determine whether categories of categorical array are protected
isundefined Find undefined elements in categorical array
mergecats Merge categories in categorical array
removecats Remove categories from categorical array
renamecats Rename categories in categorical array
reordercats Reorder categories in categorical array
setcats Set categories in categorical array

datetime methods

Function Name Description
between Calendar math differences
caldiff Calendar math successive differences
dateshift Shift date or generate sequence of dates and times
day Day number or name
exceltime Convert MATLAB datetime to Excel date number
hms Hour, minute, and second numbers of datetime or duration
hour Hour number
isbetween Determine elements within date and time interval
isdst Determine daylight saving time elements
isnat Determine NaT (Not-a-Time) elements
isweekend Determine weekend elements
juliandate Convert MATLAB datetime to Julian date
minute Minute number
month Month number and name
posixtime Convert MATLAB datetime to POSIX time
quarter Quarter number
second Second number
timeofday Elapsed time since midnight for datetimes
tzoffset Time zone offset from UTC
week Week number
year Year number
ymd Year, month, and day numbers of datetime
yyyymmdd Convert MATLAB datetime to YYYYMMDD numeric value

duration methods

Function Name Description
days Duration in days
hours Duration in hours
minutes Duration in minutes
seconds Duration in seconds
years Duration in years

table methods

Function Name Description
addvars Add variables to table or timetable
inner2outer Invert nested table-in-table hierarchy in tables or timetables
mergevars Combine table or timetable variables into multicolumn variable
movevars Move variables in table or timetable
removevars Delete variables from table or timetable
renamevars Rename variables in table or timetable
splitvars Split multicolumn variables in table or timetable
stack Stack data from input table or timetable into one variable in output table or timetable
summary Print summary of table, timetable, or categorical array

timetable methods

Function Name Description
containsrange Determine if timetable row times contain specified time range
isregular Determine if timetable is regular with respect to time or calendar unit
lag Time-shift data in timetable
overlapsrange Determine if timetable row times overlap specified time range
retime Resample or aggregate data in timetable, and resolve duplicate or irregular times
withinrange Determine if timetable row times are within specified time range