How to query which functions are available in matlab?

source function

Randerr generates error code samples.

Randint generates a uniformly distributed random integer matrix.

Randsrc generates a random matrix according to a given table of numbers.

Wgn produces Gaussian white noise

Signal analysis function

Biterr calculates the bit error number and bit error rate.

eye pattern

Distribution map

Symerr calculates the number of symbol errors and symbol error rate.

source encoding

Compression/expansion rule

Dpcmdeco DPCM (differential pulse code modulation) decoding

Dpcmenco DPCM coding

Optimizing DPCM parameters with dpcmopt

Optimization of Quantizer Parameters

Quantiz gives the quantization stage and output value.

Error control coding

Bchpoly gives the performance parameters and generating polynomials of binary BCH codes.

Convenc generates convolutional codes

Cyclgen generates parity check matrix and cyclic code generation matrix.

The generating polynomial of Cyclpoly generating cyclic codes.

Decoding block code decoder

Coded block code encoder

Gen2par converts parity check matrix and generating matrix to each other.

Gfweight calculates the minimum distance of linear block codes.

Hamming code generates parity check matrix and generating matrix.

Rsdecof decodes Reed-Solomon encoded ASCII files.

Rsencof uses Reed-Solomon code to encode ASCII files.

Rspoly gives the generating polynomial of Reed-Solomon code.

Syndtable generates adjoint decoding table

Viterbi rule deconvolution code

(Low-level function of error control coding)

Bchdeco BCH decoder

Bychenko BCH encoder

Rsdeco reed-Solomon decoder

Rsdecode performs Reed-Solomon decoding exponentially.

Rsenco Reed-Solomon encoder

Rsencode performs Reed-Solomon coding exponentially.

Modulation and demodulation

Ademod analog passband demodulator

Analog baseband demodulator

Analog passband modulator

Analog baseband modulator

Apkconst draws a circular composite Ake -PSK constellation.

Ddemod digital bandpass demodulator

Digital baseband demodulator

The constellation diagram of demodulated analog signal reflects the digital signal.

Digital passband modulator

Digital baseband modulator

Modmap maps digital signals to analog signal constellations (for modulation).

QASKdeco reflects the incident digital signal from the square Qask constellation.

QASKenco maps digital signals to a square Qask constellation.

Special filter

Hank2sys transforms Hankel matrix into linear system model.

Hilbert transform IIR filter is designed by Hilbert.

Rcosflt raised cosine filter

Rcosine designed a raised cosine filter.

(Low-level function of special filter)

Design of raised cosine fir filter

Rcosiir designed a raised cosine iir filter.

Channel function

Awgn adds Gaussian white noise

Galois field calculation

Polynomial addition over gfadd galois field

Polynomial multiplication over gfconv Galerkin field

Generating cyclotomic coset of galois field with gf coset

Polynomial division over gfdeconv Galerkin field

Element division on gfdiv galois field

Gffilter uses polynomials over prime galois fields to filter data.

A special solution of gflineq with Ax=b over Galois field.

Finding the Minimum Polynomial of Elements in Galois Field

Element multiplication on gfmul galois field

Element addition on gf plus gf (2 m)

Gfpretty displays polynomials in the usual way.

Gfprimck detects whether a polynomial is a basic polynomial.

Gfprimdf gives the default basic polynomial of MATLAB in Galois field.

Gfprimfd gives the basic polynomial of Galois field.

Finding the Rank of Matrix over gfrank Galois Field

Transformation of Polynomials on gfrepcov GF(2)

Finding the roots of polynomials over gfroots prime galois fields

Polynomial subtraction on gfsub galois field

Gftrunc simplifies the expression of polynomials.

Gftuple simplifies or transforms the form of elements on Galois field.

Tool function

Bi2de converts binary vectors into decimal numbers.

De2bi converts decimal numbers into binary vectors.

Error function of electrorheological fluid

Erfc residual function

Istrellis detects whether the input is the grid structure of MATLAB.

Marcum Q universal marcumq function

Oct2dec octal number to decimal number

Poly2trellis transforms convolutional code polynomials into MATLAB grid descriptions.

Vec2mat converts a vector into a matrix.

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Answer

Abs absolute value, modulus and ASCII code value of characters.

anticosine

Inverse hyperbolic cosine

anticotangent

Inverse hyperbolic cotangent

anticotangent

Acsch inverse hyperbolic cotangent

Align Starts the Geometric Position Arrangement Tool for drawing objects.

All elements are non-zero sum and true.

Angle phase angle

The default variable name of the ans expression calculation result.

Any and all elements are not all zeros.

Regional map

Parameter name of Argnames function m file

arc tangent

Inverse hyperbolic secant

Asin arcsine

Inverse hyperbolic sine

Assign a value to a variable.

arc tangent

Atan2 quadrant arc tangent

Inverse hyperbolic tangent

Autumn Red Huang Tiao Autumn Color Map Array

Axis low-level instructions for creating axis objects.

Advanced commands for axis control axis scale and style.

B b

Bar two-dimensional histogram

Bar chart 3 three-dimensional histogram

Bar3h three-dimensional horizontal histogram

Barh two-dimensional horizontal histogram

Base2dec X converted to decimal.

Bin2dec binary to decimal conversion

Blank creates a string of spaces.

Bone blue tone black and white color map array

Box frame coordinate axis

Interrupt while or for loop interrupt instruction

Brightening brightness control

C c

Capture (version 3 before version 3) captures the current drawing.

Cart2pol rectangular coordinates become polar coordinates or cylindrical coordinates.

Cart2sph rectangular coordinates become spherical coordinates.

Cats are connected in series into a high-dimensional array.

Caxis color scale calibration

Cd specifies the current directory.

Cdedit starts the user menu and controls the callback function design tool.

The complex eigenvalue diagonal matrix of cdf2rdf is transformed into a real block diagonal matrix.

Ceil is rounded to positive infinity.

Cells Create an array of cells

Cell2struct cell array is converted into frame array.

Celldisp displays the contents of an array of cells.

Schematic diagram of internal structure of cellplot cell array

Char converts numeric values, symbols and inline classes into character objects.

Cumulative probability function of chi2cdf distribution

Inverse cumulative probability function of chi2inv distribution

Probability density function of chi2pdf distribution

The second generation distributed random number generator

Coleski decomposition

Kleber equipotential line recognition

Cla clears the current axis.

Class to learn object categories or create an object.

Clc clear instruction window

Clear clear memory variables and functions.

Clf clears graphic objects.

Clock clock

Colorcube three-color and multi-color cross-color graph matrix

Colordef sets the color default value.

Color chart

Base of colspace column spacing

Close Closes the specified window.

Colperm column sorting permutation vector

Comet trajectory diagram

Comet3 3D comet trajectory map

Compass ray diagram

Synthesize to find the composite function

Conditional (inverse) condition number

Condeig calculates eigenvalues and eigenvectors, and gives the conditional number.

Condest norm-1 condition number estimation

Kangji composite yoke

Isopotential contour

Contour filled equipotential line

Contour 3-D equipotential line

Contour slice four-dimensional slice equipotential map

Conv polynomial multiplication and convolution

Cold blue-purple cold color map

Copper bronze tone diagram

Cosine cosine

Hyperbolic cosine

Kottyuce

coth

Cplxpair compound yokes are arranged in pairs

Csc cotangent

coth

Cumulative element cumulative sum

Cumulative trapezoidal integral

Cylinders Create cylinders.

D d

Double numerical integration of dblquad

Transaction distribution variable

Deblurring deletes the space character at the end of the string.

Dec2base decimal conversion to x

Dec2bin decimal to binary conversion

Dec 2 hexadecimal to hexadecimal conversion

Division of deconvolution and deconvolution polynomial

Delaunay triangulation

Del2 discrete laplace difference

Demonstration Matlab demonstration

Det determinant

Diagonal element extraction and diagonal matrix generation of diagnostic matrix.

Text content record of diary Matlab instruction window

Digital difference, sign difference

Set the precision of symbol value in digital symbol calculation.

Directory list

Display array

Displays the overloaded function that displays the contents of the object.

Linearization model of dlinmod discrete system

Dulmage-Mendelsohn decomposition of dmperm matrix

DOS executes dos instructions and returns the results.

Double converts other types of objects into double-precision values.

Drawnow updates the event queue and forces Matlab to refresh the screen.

Symbolic calculation for solving differential equations

E e

Displays the instructions executed by the echo M file.

Edit to start the M file editor.

Finding eigenvalues and eigenvectors

Eigs found several specified eigenvalues.

End controls the ending element subscript of the structure, such as flow FOR.

Eps floating-point relative accuracy

Error displays an error message and interrupts execution.

Controls whether the program continues to execute after the errortrap error occurs.

Error function of electrorheological fluid

Erfc error compensation function

Erfcx calibration error compensation function

Erfinv inverse error function

Error bar graph with error limitation

Etreeplot draws the elimination tree.

Eval string calculus instruction

Evalin cross-space string calculus instruction

Exist checks whether a variable or function has been defined.

Exit exit Matlab environment.

exponential function

Extension operation in extended symbol calculation

Exponential integral function

Expm common matrix exponential function

Expm 1 Pade method for calculating matrix index

Expm2 Taylor method for calculating matrix index

Expm3 eigenvalue decomposition method to find matrix exponent.

Eye cell array

Simple explanation of drawing equipotential line with isoline

Ezcontourf's Simple Instruction for Drawing Equal Bitlines with Color Filling

General and simple explanation of ezgraph3 drawing surface diagram

Simple explanation of ezmesh drawing network diagram

Simple instructions for ezmeshc to draw equipotential network diagram

Simple explanation of ezplot drawing two-dimensional curve

Simple explanation of Ezplot3 drawing three-dimensional curve

Simple explanation of ezpolar drawing polar coordinates.

Simple explanation of ezsurf drawing surface diagram

Simple explanation of ezsurfc drawing equipotential line surface map

F f

Factorial decomposition of factor symbol calculation

Feather map

Feedback feedback connection

Feval executes the function specified by the string.

Fft discrete Fourier transform

Fft2 two-dimensional discrete Fourier transform

Fftn high-dimensional discrete Fourier transform

Spectrum of DC component pair

Fieldnames framework domain name

Figure to create a graphical window.

Fill3 3D Polygon Coloring Map

Find Find Non-zero Element Subscript

Findobj finds an object handle with the specified attribute.

Find the starting character subscript of a short string.

The findsym machine determines the symbolic variable in memory.

Find the inverse function of the inverse function

Rounds to zero.

National flag red, white, blue and black staggered color array

Fliplr matrix flip left and right.

Flip up and down flip matrix

Flipdim matrix flips along the specified dimension.

The lower bound is rounded to negative infinity.

Flops floating-point operation time

Demonstration data provided by flow Matlab

Using fmin (old version) to find the minimum point of unary nonlinear function

Finding the minimum point of a univariate nonlinear function with fminbnd

Finding the minimum point of multivariate function by fmins simplex method (old version)

Finding the minimum point of multivariate function by quasi-Newton method

Finding the minimum point of multivariate function by simplex method

Order derivative of spline function

Fnint, find the integral with spline function.

Fnval calculates the value of any point in the spline function interval.

Drawing spline function diagram with fnplt

Fopen opens external file

Components for recycling.

Format the output format.

Fourier transform

Fplot reply drawing command

Fprintf sets the display format

Fread reads binary data from a file

Solving the Zero Point of Multivariate Function

Completely convert sparse matrix into non-sparse matrix.

Funm calculates a general matrix function.

Graphical user interface of funtool function calculator

Finding the zero point of a nonlinear function of one variable with fzero

G g

gamma function

Gammainc incomplete function

Logarithm of gamma function

Gca gets the current axis handle.

Gcbo gets the handle of the object that is executing the callback.

Gcf gets the handle of the current graphic object.

Gco gets the current object handle.

Geometric average

Understand object properties

Getfield knows the domain of pattern array.

Get the frame picture of the movie.

Ginput gets data from the graphics window.

Global defines global variables.

Gplot draws pictures according to the rules of graph theory.

Gradient approximate gradient

Gray, black and white gray.

Grid drawing grid lines

Grid data regularization data and surface fitting

Use the mouse to place the annotation text.

The guide starts an interactive design tool for the graphical user interface.

H h

Harmonic average

Help online help

Helpwin interactive online help

Help desk opens hypertext user guide.

Hex2dec hexadecimal conversion to decimal

Convert hexadecimal to floating-point number

Hidden perspective and blanking switch

hilbert matrix

Historical frequency calculation or frequency histogram

Histogram of histc endpoint location frequency

Historical fitting frequency histogram of normal fitting

Press and hold the toggle switch to redraw on the current diagram.

Horner decomposed into nested forms.

Hot black, red, yellow and white color charts

Hsv saturation color map

Me, me.

Conditional branching structure

Inverse discrete Fourier transform of ifft

Ifft2 two-dimensional inverse discrete Fourier transform

High dimensional inverse discrete Fourier transform

Inverse operation of ifftshift DC component to median spectrum

Inversed Fourier transform

I, j default "virtual unit" variable.

inverse laplasse transform

Imaginary part of imag complex number

Image display image

Imagesc displays the brightness of the image.

Imfinfo to obtain graphic file information

Imread reads an image from a file.

Write an image to a file.

Ind2sub Single Subscript to Multi Subscript

Inf infinity

Info MathWorks company outlet address

Inline construction inline function object

Inmem lists the function names in memory.

Input prompts the user for input.

Enter a name Enter a volume name.

Intersymbolic integration

Int2str converts an integer array into a string array.

Interp 1 one-dimensional interpolation

Interp2 two-dimensional interpolation

Interp3 3 d interpolation

N-dimensional interpolation

Interpft uses FFT interpolation.

Introduce Matlab's own introductory guide.

Find the inverse matrix of a matrix

Exact inverse of invhilb Hilbert matrix

Ipermute generalized inversion

Isa detects whether an object of a given class

Ischar is true if it is a string.

If two arrays are the same, Isequal is true.

True if Isompty is empty.

If all elements are finite, Isfinite is true.

Isfield is true if it is a frame field.

Isglobal is true if it is a global variable.

Ishandle is true if it is a graphic handle.

Ishold is true if the current drawing is on hold.

Isieee is true if the computer executes ieee rules.

If it is infinite data, Isinf is true.

If it is an English letter, Isletter is true.

If it is a logical array, Islogical is true.

Ismember checks whether it belongs to the specified collection.

Isnan is true if it is not a number.

Isnumeric is true if it is a numeric array.

If Isobject is an object, is object is true.

Isprime is true if is prime is a prime number.

If it is a real number, Isreal is true.

If it is a space, Isspace is true.

If it is a sparse matrix, ISSARSE is true.

If it is a frame, Isstruct is true.

If it is Matlab student edition, Isstudent is true.

Calculation of z inverse transformation with iztrans symbol

J j，K k

Searching for Jacobian Matrix in Jacobian Symbol Calculation

Saturated color of dark blue head and red tail

Obtaining jordan canonical form in Jordan symbol calculation

Keyboard keyboard gain control.

Array generated by kron Kronecker multiplication rule

L l

Laplace Laplace transform

Lasterr displays the latest error message.

Lastwarn displays the latest warning information.

Leastsq solves nonlinear least squares problem (old version)

Legend graphic legend

Lighting mode

Line creates a line object.

Lines use plot line colors.

Linearization model of linmod continuous system

Linearization optimization model of linmod2 continuous system

Linspace linear bisection vector

Natural logarithm of ln matrix

Load reads variables from the MAT file.

Logarithmic natural logarithm

Log 10 common logarithm

Log2 is a base 2 logarithm.

Double logarithmic scale diagram

Logm matrix logarithm

Logarithmic scale vector in logarithmic space

Find m files searched by keywords.

Convert lowercase letters to lowercase letters

Lsqnonlin solves nonlinear least squares problem

Lu Lu decomposition

M m

Mean absolute value deviation

Cube array

Maple leaf & ampnb, sp; Operate Maple format command

Mat2str converts an array of numeric values into an array of input morphological strings.

Material material reflection mode

Max, find the largest element in the vector.

Mbuild generates preset instructions for the EXE file compilation environment.

Mcc compiles instructions for creating MEX or EXE files.

Find the average value of vector elements

Median search median

Menuedit starts an interactive editing tool for designing user menus.

Mesh network diagram

Meshz curtain network diagram

Meshgrid generates a "lattice" matrix.

The method knows all the method functions defined for the specified class.

Mex generates preset instructions for MEX file compilation environment.

Mfun is a list of MAPLE classic functions that can be calculated by mfun.

Mhelp leads to Maple's online help.

Find the smallest element in the vector.

Mkdir create directory

Clarity of mkpp piecewise polynomial data

Mod modular operation

Pagination display of contents in more command windows

Movies show movie animations.

Memory Preset of Movie Frames in Movies

Multivariate Taylor series expansion

hear nothing of

Find Ndims of array dimension

Non-numeric (predefined) variables

Nargchk input quantity verification

Nargin function input parameter number

Nargout function output parameter number

Generating high-dimensional lattice matrix by ndgrid

Newplot prepares new default drawings and axes.

Nextpow2 takes the nearest power of 2.

Total number of nonzero elements of nnz matrix

Nonzero elements of nonzero matrix

Norm matrix or vector norm

Cumulative probability density function of normal distribution

Norm estimation matrix 2 norm

Inverse cumulative probability density function of normal distribution

Probability density function of normal distribution

Normal random number generator

The notebook starts the integrated environment of Matlab and Word.

Zero space

Num2str converts a non-integer array into a string.

Numden gets the lowest common denominator and the corresponding molecular expression.

Nzmax specifies the memory required to store non-zero elements.

Oh, oh.

Ode 1 variable step solver for non-rigid differential equations

Ode 15s Variable Step Solver for Rigid Differential Equation

Ode23t moderately rigid differential equation solver

Ode23tb rigid differential equation solver

Ode45 variable step solver for non-rigid differential equations

Odefile ODE file template

ODEget knows the ode option setting parameters.

Two-dimensional phase plan of odephas2 ODE output function

Three-dimensional phase space diagram of odephas3 ODE output function

Time trajectory diagram of odeplottode output function

Odeprint displays the results in the Matlab instruction window.

Odeset creates or overrides the ODE option mode parameter value.

A complete array of 1

Optimset creates or overrides the option parameter values of the optimization function instruction.

Orient sets the layout method of the graph.

Orthogonalization of Orth value space

P p

Pack collects Matlab memory fragments to expand memory.

Pagedlg brings up the graphic typesetting dialog box.

Patch creates a block object.

Path Setting Instructions for Searching Path in Matlab

Path tool search path manager

Pause pause

Pcode creates a pre-interpreted P code file.

Color pseudo-color map

Typical three-dimensional surfaces provided by peaks Matlab

Permutation generalized transposition

(predefined variables)

Pie chart two-dimensional pie chart

Pie3 3 d pie chart

Pink graphic matrix

Pinv pseudo-inverse

Drawing plan

Plot3 three-dimensional line diagram

Drawing matrix scatter plot

Double ordinate graph

Inverse cumulative probability distribution function of Poisson distribution

Poisson distribution random number generator

Pol2cart polar coordinates or cylindrical coordinates become rectangular coordinates.

polar diagram

Polynomials corresponding to characteristic polynomials and root sets of multiple matrices

Poly2str displays polynomials in a customary way.

Transformation of Multi-Double Precision Polynomial Coefficient to Vector Symbolic Polynomial

Multivariate polynomial derivative

Polynomial fitting of polyfit data

Polyval calculates the value of a polynomial.

Multivariate calculation matrix polynomial

Pow2 power 2

Ppval computing piecewise polynomial

Beauty shows symbolic expression in a habitual way.

Print print graphics or SIMULINK model.

Printsys displays rational fractions in a customary way.

Prism spectral matrix

Procread sends the calculation program to MAPLE.

Profiling function file performance evaluator

Attribute Editing Graphic Object Attribute Editor

Pwd displays the current working directory.

Q q

Calculation of numerical integration by fourth-order low-order method

Calculation of quad81

Exit and start Matlab environment

Arrow diagram two-dimensional directional arrow diagram

Quiver3 three-dimensional directional arrow diagram

R r

Rand generates uniformly distributed random numbers.

Randn generates random numbers with normal distribution.

Random permutation vector

Range sample range

Rank of rank matrix

Reasonable yield of rats

Estimation of inverse condition number of rcond matrix

Real part of real complex number

Reallog calculates the natural logarithm of the real number field.

Realpow calculates the power in the real number field.

Realsqrt calculates the square root of a real number field.

Maximum positive floating-point number

Minimum positive floating point number

Rectangular drawing "long box"

Rem remainder

Repmat placement module array

Reshape changes the dimension and size of an array.

Fractional expansion of remaining part

Return return

Ribbon draws a two-dimensional curve into a three-dimensional strip diagram.

Rmfield deletes the domain of the frame.

Find the root of polynomial

Rose digital fan chart

Rot90 matrix rotates 90 degrees.

Rotate the origin and direction specified by the rotation.

Rotate3d starts the interactive setting function of 3d graphic perspective.

Round to the nearest integer.

The simplified matrix of rref is trapezoidal.

The diagonal matrix of real block of rsf2csf is transformed into the diagonal matrix of complex eigenvalue.

Rsums Riemann and s

Save Saves a memory variable as a file.

scatter diagram

Scatter chart 3 three-dimensional scatter chart

Seconds secant

Hyperbolic secant

Semilogx x-axis logarithmic scale coordinate diagram

Semi-logarithmic y-axis logarithmic scale coordinate diagram

series connection

Set sets the graphical object properties.

Setfield sets the field of the pattern array.

Setstr's old instruction to convert ASCII codes into characters.

Symbol takes value function according to symbol.

Symbolic value function in symbolic calculation

Sim running SIMULINK model

Simget gets the simulation parameters set by SIMULINK model.

Finding the shortest form of symbolic solution is simple.

Simplifying operation in symbolic calculation

Simset sets the simulation parameters of SIMULINK model.

SIMULINK starts the Simulink module library browser.

sine function

Hyperbolic sine

Size of the size matrix