Complete index of MATLAB utilities

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

A

acosdeg	-	Inverse cosine with degrees as unit.
acosgrad	-	Inverse cosine with gradians as unit.
acoshplus1	-	Inverse hyperbolic cosine of argument plus one.
acosplus1	-	Inverse cosine of argument plus one.
ascol	-	Return elements of an array as a column vector.
asindeg	-	Inverse sine with degrees as unit.
asingrad	-	Inverse sine with gradians as unit.
asrow	-	Return elements of an array as a row vector.
asvec	-	Return elements of an array as a vector.
atan2deg	-	Four quadrant inverse tangent of argument in degrees.
atan2grad	-	Four quadrant inverse tangent of argument in gradians.
atandeg	-	Inverse tangent of argument in degrees.
atangrad	-	Inverse tangent of argument in gradians.
atanminuspihalf	-	Inverse tangent minus pi/2.

B

base64decode	-	Perform base64 decoding on a string.
base64encode	-	Perform base64 encoding on a string.
bathyscape	-	See how deep we can recurse.
bindiff	-	Binary difference. Returns patchdata for BINPATCH.
binomcoef	-	Binomial coefficient.
blockdiag	-	Build a block diagonal matrix of the input arguments.
blockflipdim	-	Flip each block in an array along specified dimension.
blockfliplr	-	Flip each block in an array in left/right direction.
blockflipud	-	Flip each block in an array in up/down direction.
blockrot90	-	Perform 90 degree block rotation on arrays.
bounds2ind	-	Create index vector given bounds for index values.
byte2nybble	-	Convert bytes to nybbles.

C

cdtomfile	-	Change working directory to where a specified m-file is located.
cheb2poly	-	Chebychev polynomial of the second kind.
chebextr	-	Extreme values of Chebychev polynomial of the first kind.
chebpoly	-	Chebyshev polynomial of the first kind.
chebroot	-	Roots of Chebychev polynomial of the first kind.
cloglog	-	The complementary log log transformation.
commaint	-	Insert commas between each thousand in an integer.
corrmat	-	Correlation matrix.
corrsort	-	Sort elements in a variance matrix by correlation.
cosdeg	-	Cosine of argument in degrees.
cosgrad	-	Cosine of argument in gradians.
coshminus1	-	Hyperbolic cosine minus one.
cosminus1	-	Cosine minus one.
covmat	-	Covariance matrix.
cropbyval	-	Crop an array by
cuberoot	-	Compute cubic root and return real cubic root for real numbers.
cummax	-	Cumulative maximum of elements.
cyclefigs	-	Cycle through figure windows.

D

date2jd	-	Julian day number from Gregorian date.
date2mjd	-	Modified Julian day number.
date2unixsecs	-	Number of seconds since 00:00:00 1 January 1970.
dawson	-	Dawson's integral.
dayofmonth	-	Ordinal number of month in year.
dayofweek	-	Day of week.
dayofyear	-	Ordinal number of day in a year.
days2hms	-	Convert days into hours, minutes, and seconds.
daysinmonth	-	Number of days in a month.
daysinyear	-	Number of days in a year.
ddeblank	-	Double deblank. Strip both leading and trailing blanks.
ddewhite	-	Double dewhite. Strip both leading and trailing whitespace.
dewhite	-	Dewhite. Strip trailing whitespace.
distmat	-	Distance matrix.
distmat0	-	Distance matrix (no for-loops).
distmat1	-	Distance matrix (one for-loop).
distmat2	-	Distance matrix (two nested for-loops).
distmat3	-	Distance matrix (three nested for-loops).
divisors	-	All all possible divisors.

E

easterday	-	Easter day for a given year.
empcdf	-	Empirical cumulative distribution function.
epyt	-	Display a file backwards line by line (opposite of TYPE).
expminus1	-	Exponential minus one.

F

factorial2	-	Factorial function.
fibonacci	-	Fibonacci numbers.
file2cell	-	Convert a text file to a cell array of lines.
filecmp	-	Compare two files (binary comparison).
findcols	-	Find indices of a given column within a matrix.
findrows	-	Find indices of a given row within a matrix.
fixdec	-	Round towards zero with a specified number of decimals.
fixdig	-	Round towards zero with a specified number of digits.
flipalldims	-	Flip array along all dimensions.
fmap	-	Evaluate a function for each element of an array.
fnsdim	-	First non-singleton dimension.

G

gaussquad	-	Gaussian quadrature integration.
gaussquaddemo	-	Demonstration of Gaussian quadrature formula.
gcd2	-	Greatest common divisor of all elements.
gsexpand	-	Generalized scalar expansion.

H

hex_to_int16	-	Convert hexadecimal string to int16 number.
hex_to_int32	-	Convert hexadecimal string to int32 number.
hex_to_int8	-	Convert hexadecimal string to int8 number.
hex_to_uint16	-	Convert hexadecimal string to uint16 number.
hex_to_uint32	-	Convert hexadecimal string to uint32 number.
hex_to_uint64	-	Convert hexadecimal string to uint64 number.
hex_to_uint8	-	Convert hexadecimal string to uint8 number.
hexview	-	View a file in hexadecimal mode.
hms2days	-	Convert hours, minutes, and seconds to days.
hms2sec	-	Convert from hours, minutes and seconds to seconds.

I

icloglog	-	The inverse complementary log log transformation.
ilogit	-	The inverse logit transformation.
imcheck	-	Check an image and give an error if the image is invalid.
imfliplr	-	Flip an image left to right.
imflipud	-	Flip an image upside down.
imrot90	-	Rotate an image N*90 degrees anticlockwise.
imtype	-	Display information about what kind of image the data represent.
imview	-	Display an image.
int16_to_hex	-	Convert int16 number to hexadecimal string.
int2digits	-	Split an integer into digits.
int32_to_hex	-	Convert int32 number to hexadecimal string.
int8_to_hex	-	Convert int8 number to hexadecimal string.
iqrange	-	Interquartile range.
isalnum	-	True for alphanumerics (letters and digits).
isalpha	-	True for letters.
isascii	-	True for decimal digits.
iscolvector	-	True for column vector input.
isdate	-	True for valid dates (Gregorian calendar).
isdigit	-	True for decimal digits.
isdirectory	-	True if argument is a directory.
iseven	-	True for even numbers.
isinpath	-	True for directories in path
isint	-	True for integers.
isjdate	-	True for valid dates (Julian calendar).
isleapyear	-	True for leap years.
islower	-	True for lowercase letters.
ismatrix	-	True for matrix input.
isodd	-	True for odd numbers.
isposint	-	True for positive integers.
isprime2	-	True for prime numbers.
isprtchr	-	True for printable characters.
isrowvector	-	True for row vector input.
isscalar	-	True for scalar input.
issymmetric	-	True for square matrix input.
istime	-	True for valid times.
isupper	-	True for uppercase letters.
isvarmat	-	True for variance matrix input.
isvector	-	True for vector input.
isxdigit	-	True for hexadecimal digits.

J

jd2date	-	Gregorian calendar date from modified Julian day number.
jd2jdate	-	Julian day number to Julian calendar date.
jd2mjd	-	Modified Julian day number from Julian day number.
jdate2jd	-	Julian day number from Julian date.

L

latexmat	-	Generate LaTeX code for a matrix.
lcm2	-	Least common multiple of all elements.
locate	-	Locate one or more files in the search path.
locateold	-	Locate one or more files in the search path.
log1p	-	Natural logarithm of 1+x.
logbase	-	Logarithm with respect to specified base.
logbase10	-	Common (base 10) logarithm.
logit	-	The logit transformation.
logspace10	-	Logarithmically spaced vector.
logspace2	-	Logarithmically spaced vector.

M

mad	-	Mean absolute deviation from the mean.
mahaldist	-	Mahalanobis distance.
maskrepelem	-	Replicate elements according to a mask array.
matfilever	-	Return MAT-file version information.
meanvar	-	Mean and variance of a data set.
medmad	-	Median absolute deviation from the median.
mergearray	-	Merge all arrays in a cell array into a single array.
mjd2date	-	Gregorian calendar date from Julian day number.
mjd2jd	-	Modified Julian day number from Julian day number.
monthofyear	-	Ordinal number of month in year.
movsum	-	Moving sum.

N

nanmean	-	Mean of elements ignoring NaNs.
nansum	-	Sum of elements ignoring NaNs.
nchoose2	-	All combinations of N elements taken two at a time.
ndimgrid	-	Generation of arrays for N-D functions and interpolation.
ndmtimes	-	N-dimensional matrix multiply.
ndmtimes_loop_naive	-	N-dimensional matrix multiply.
ndmtimes_loop_optim	-	N-dimensional matrix multiply.
nextpow	-	Nextious power.
nextpowof10	-	Next power of 10.
nextpowof2	-	Next power of 2.
nthroot	-	Compute the n-th root of a real number.
numlexcmp	-	Lexicographic comparison of two numbers.
numlexeq	-	Lexicographic equal to.
numlexge	-	Lexicographic greater than or equal to.
numlexgt	-	Lexicographic greater than.
numlexle	-	Lexicographic less than or equal to.
numlexlt	-	Lexicographic less than.
numlexne	-	Lexicographic not equal to.
nybble2byte	-	Convert nybbles to bytes.

O

order

-

Order statistics.

P

path2cell	-	Convert search path to cell array.
path2file	-	Write the Matlabpath to a file, one directory on each line.
perctile	-	Percentiles.
pfilever	-	Return P-file version number.
poly2str	-	Return polynomial as string.
polyadd	-	Add polynomials.
polydiv	-	Divide polynomials.
polyint	-	Integrate polynomial.
polymul	-	Multiply polynomials.
polynder	-	Differentiate polynomial N times.
polynint	-	Integrate polynomial N times.
polypow	-	Multiply polynomials.
polyreloc	-	Relocate polynomial.
polyrescl	-	Rescale polynomial.
polysub	-	Subtract polynomials.
polytrim	-	Trim polynomial by stripping off leading zeros.
powerset	-	All combinations of elements taken from different vectors.
prcdiff	-	Percent difference.
prcoftot	-	Percent of total.
prevpow	-	Previous power.
prevpowof10	-	Previous power of 10.
prevpowof2	-	Previous power of 2.

Q

qnan	-	Return a quiet (non-trapping) NaN.
quadroot	-	Return roots of a quadratic polynomial.
quantile	-	Empirical (sample) quantiles.

R

randline	-	Pick a random line from a file.
randlines	-	Pick a number of random lines from a file.
randw	-	Weighted random numbers from discrete distribution.
range	-	Return the range of the elements of an array.
ranks	-	Sample ranks.
real48_as_double_to_uint8	-	Convert doubles to Borland 6 byte reals (Real48).
real48_as_uint8_to_double	-	Convert Borland 6 byte reals (Real48) to doubles.
release	-	Return the MATLAB release number.
reparray	-	Replicate and tile an array or all subarrays of an array.
repelm	-	Replicate elements in an array.
resize	-	Resize arguments to specified size.
rot13	-	Rot13 (Caesar) encryption.
rotarray	-	Rotate array or subarrays.
rounddec	-	Round to a specified number of decimals.
rounddig	-	Round to a specified number of digits.
roundeven	-	Round towards nearest integer (pick even in .5 cases)
rstrrep	-	Recursive string replacement.

S

scalevar	-	Scale variance matrix.
sec2hms	-	Convert seconds to hours, minutes and seconds.
sexpand	-	Scalar expansion.
sinc	-	The function SIN(PI*X)/(PI*X).
sindeg	-	Sine of argument in degrees.
single_as_uint16_to_double	-	Convert single precision numbers to double.
single_as_uint32_to_double	-	Convert single precision numbers to double.
single_as_uint8_to_double	-	Convert single precision numbers to double.
singrad	-	Sine of argument in gradians.
sizestr	-	Return size of array as a string.
sortfigs	-	Sort figure windows in ascending order.
spherernd	-	Uniformly distributed random numbers in/on a unit sphere.
splitarray	-	Split an array into subarrays.
splitfile	-	Split a file into fixed-size pieces.
strcenter	-	Center each line of text.
strflushleft	-	Flush left each line of text.
strflushright	-	Flush right each line of text.
strjoin	-	Join strings in a cell array.
strlexcmp	-	Lexicographic comparison of two strings.
strlexeq	-	Lexicographic equal to.
strlexge	-	Lexicographic greater than or equal to.
strlexgt	-	Lexicographic greater than.
strlexle	-	Lexicographic less than or equal to.
strlexlt	-	Lexicographic less than.
strlexne	-	Lexicographic not equal to.
strsplit	-	Split string into pieces.
subdivide	-	Subdivide a matrix into several submatrices.
substr	-	Extract a substring out of a string.
swapdims	-	Swap two dimensions.

T

tandeg	-	Tangent of argument in degrees.
tangrad	-	Tangent of argument in gradians.
tanhminus1	-	Hyperbolic tangent minus one.
tanpluspihalf	-	Tangent of argument plus pi/2.
tilefigs	-	Tile all open figure windows around on the screen.
trimpath	-	Trim MATLAB's search path.
truncdec	-	Truncate to a specified number of decimals.
truncdig	-	Truncate to a specified number of digits.

U

uint16_to_hex	-	Convert uint16 number to hexadecimal string.
uint32_to_hex	-	Convert uint32 number to hexadecimal string.
uint64_to_hex	-	Convert uint64 number to hexadecimal string.
uint8_to_hex	-	Convert uint8 number to hexadecimal string.
unixsecs2date	-	Number of seconds since 00:00:00 1 January 1970 to date.
unpacknum	-	Unpack number into fraction and exponent.
unrot13	-	Rot13 (Caesar) decryption.
untabify	-	Convert tabs to spaces.
unwrapdeg	-	Unwrap phase angle in degrees.
unwrapgrad	-	Unwrap phase angle in gradians.

V

var2corr	-	Variance matrix to correlation matrix conversion.
varchk	-	Perform extensive checking on a variance matrix.
varfact	-	Robust variance matrix factorization.
varmat	-	Variance matrix.
vecfill	-	Fill last non-zero value into elements with zero value.

W

weekofyear	-	Ordinal week number.
weeksinyear	-	Number of weeks in a year.
where	-	List all locations of one or more MATLAB functions.
wrapdeg	-	Map angles measured in degrees to the interval [-180,180).
wrapgrad	-	Map angles measured in gradians to the interval [-200,200).
wraprad	-	Map angles measured in radians to the interval [-pi,pi).

X

xkron	-	Kronecker tensor product.
xrepmat	-	Replicate and tile an array.

Y

yearnum

-

Ordinal year number.

Z

zeroscls

-

Zeros array of a specified class.