matlab函数库(matlab函数库)

matlab函数库（matlab函数库）

Matlab common library of functions [rotate]

Matlab commonly used function library

A a

ASCII code values of absolute values, modules and characters

of ABS

ACOS anti cosine

Inverse hyperbolic cosine of acosh

Acot arccot

Acoth inverse cotangent

ACSC arccsc

Acsch inverse cosecant

Align start graphic object geometry location tool

All all elements are nonzero to be true

Angle phase angle

Default variable name for the result of ANS expression

calculation

Any all elements are not all zero is true

Area areal graph

Argnames function M file name

ASEC cut

Asech inverse hyperbolic secant

Asin anti sine

Asinh inverse hyperbolic sine

Assignment of assignin variables

Atan tangent

Atan2 four quadrant inverse tangent

Atanh inverse hyperbolic tangent

Autumn red and yellow autumn map

Axes creates low-level instructions for axis objects

High level instructions for axis control axis scale and style

B B

Bar two dimensional histogram

Bar3 3D histogram

Bar3h 3D horizontal histogram

Barh two dimensional horizontal histogram

Base2dec X decimal to decimal

BIN2DEC binary to decimal

Blanks creates a space string

Bone blue black and white color map array

Box frame coordinate axis

Interrupt instruction for break while or for ring

Brighten brightness control

C C

Capture the current graphics before capture (version 3)

Cart2pol rectangular coordinates change to polar or

cylindrical coordinates

Cart2sph rectangular coordinates into spherical coordinates

Cat concatenation into high dimensional array

Caxis color scale calibration

CD specifies the current directory

Cdedit starts the user menu, the control callback function

design tool

Cdf2rdf complex eigenvalue diagonal matrix turns into real

block diagonal matrix

Ceil rounding toward positive infinity

Cell creates cell array

Cell2struct cell array converted to frame array

Celldisp display cell array content

Internal structure diagram of cellplot cell array

Char converts numeric, symbolic, and inline classes to

character objects

Cumulative probability function of chi2cdf distribution

Inverse cumulative probability function of chi2inv

distribution

Probability density function of chi2pdf distribution

Chi2rnd distribution random number generator

Chol Cholesky decomposition

Clabel equipotential line identifier

CLA clears the current axis

Class learns object categories or creates objects

CLC clear instruction window

Clear clear memory variables and functions

CLF cleanup graph object

Clock clock

Colorcube three rich color crossed color graph matrix

Colordef sets color default values

Colormap color graph

Bases of colspace column spaces

Close closes the specified window

Permutation permutation vector of colperm column

Comet like trajectory map of comet

Comet3 3D comet trajectory

Compass ray diagram

Compose for composite functions

Cond (inverse) condition number

Condeig calculates eigenvalues and eigenvectors, and gives the

condition number

Conditional number estimation of -1 norm condest

Conj complex conjugate

Contour equipotential line

Contourf coloring equipotential line

Contour3 3D equipotential line

Contourslice 4D slice equipotential line graph

Multiplication and convolution of conv polynomials

Cool blue tone map of cool

Copper bronze toning chart

Cos cosine

Cosh hyperbolic cosine

Cot.

Coth hyperbolic cotangent

Cplxpair complex conjugate pair arrangement

CSC.

Csch csch

Cumulative sum of cumsum elements

Cumtrapz cumulative trapezoidal integral

Cylinder creates cylinders

D D

Dblquad double numerical integration

Deal allocation measures

DeBlank delete the space character at the end of the string

Dec2base decimal conversion to X system

DEC2BIN decimal to binary

DEC2HEX decimal conversion to sixteen hexadecimal

Deconv polynomial elimination and deconvolution

Delaunay Delaunay triangulation

DEL2 discrete Laplacian difference

Demo Matlab demo

Det determinant

Extraction of diagonal elements of diag matrix and creation of

diagonal matrices

Diary Matlab instruction window text content recording

Diff numerical difference and symbolic differentiation

The digits symbol set in the numerical calculation of precision

Dir directory list

Disp display array

Display displays overloaded functions of object content

Linearized model of dlinmod discrete systems

Dulmage-Mendelsohn decomposition of dmperm matrix

The DOS executes the DOS instruction and returns the result

The other type of double object into a double precision value

Drawnow update event queue forced Matlab to refresh the screen

Dsolve symbolic computation for solving differential equations

E e

Display of instructions executed by echo M files

Edit startup M file editor

Eig for eigenvalues and eigenvectors

Eigs specifies several eigenvalues

At the end of the end FOR control flow structure of the elements.

EPS floating point relative precision

Error displays error messages and interrupts execution

Errortrap error occurred after the procedure to control whether

to continue the implementation of the

ERF error function

Erfc error complement function

Erfcx scale error complement function

Erfinv inverse error function

The curve of errorbar with error limit

Etreeplot picture elimination tree

Eval is a command

Evalin is a cross space instruction

Exist check whether a variable or function is defined

Exit quit Matlab environment

Exp exponential function

Unfolding operations in symbolic computation of expand

Expint exponential integral function

Expm commonly used matrix exponential function

Expm1 Pade method for matrix index

Expm2 Taylor method for matrix index

Expm3 eigenvalue decomposition method for matrix index

Eye unit array

A simple instruction for drawing equipotential lines in

ezcontour

Simple instruction ezcontourf painting line coloring etc.

A simple and direct instruction for drawing surface graphs with

ezgraph3

A simple instruction for drawing line graphs with ezmesh

Ezmeshc painting with a simple command line line graph

Simple instruction of drawing 2D curve by ezplot

Simple instruction of drawing 3D curve by ezplot3

A simple instruction for drawing polar coordinates with ezpolar

A simple instruction for drawing surface graphs with ezsurf

Simple instructions surface figure ezsurfc painting with the

equipotential line

F f

Factorization of symbolic computation in factor

Feather feather chart

Feedback feedback connection

Feval performs functions specified by strings

FFT discrete Fourier transform

Fft2 two dimensional discrete Fourier transform

Fftn high dimensional discrete Fourier transform

Spectrum of fftshift DC component alignment

Fieldnames framework domain name

Creating graphical windows by figure

Fill3 3D polygon color map

Find searches for nonzero element subscript

Findobj find the attribute with the specified object handle

Findstr looking for initial character index of short string

Findsym machine determines symbolic variables in memory

Inverse function in symbolic computation of Finverse

Fix rounded to zero

Flag red blue black color chart staggered array

Left and right flip of fliplr matrix

Flip up and down of flipud matrix

Flipdim matrix flip along specified dimension

The floor negative infinite integral

The number of floating point operations in flops

Presentation data provided by flow Matlab

Fmin for the minimum single variable nonlinear function value

point (old version)

Fminbnd for the minimum single variable nonlinear function

value points

Fmins uses the simplex variable function minima (old version)

Fminunc quasi Newton method variable function minimum point

Fminsearch uses the simplex variable function minima

Derivation of spline function by fnder

Fnint uses spline function to obtain integral

The fnval values at any point within the range of spline

function

Drawing spline function graph by fnplt

Fopen open external file

For is used as for ring

Format set output format

Fourier Fourier transform

Drawing instruction for fplot reverse function

Fprintf settings display format

FREAD reads binary data from a file

Fsolve finding the zeros of multivariate functions

Full transforms sparse matrix into non sparse matrix

Funm computing general matrix functions

Funtool function calculator graphical user interface

Fzero finding zeros of nonlinear functions of a single variable

G G

Gamma function

Gammainc incomplete function

Logarithm of gammaln function

GCA gets the current axis handle

Gcbo gets the object handle of the callback being executed

GCF gets the handle of the current graph object

GCO gets the current object handle

Geomean geometric mean

Get learns object properties

Getfield learns the domain of the frame array

Getframe gets the frame picture of the movie

Ginput obtains data from a graphical window

Global defines global variables

According to the study of the principle of drawing gplot

Gradient approximation gradient

Gray black and white grayscale

Grid sub grid

Griddata regularized data and surface fitting

Gtext placing annotation text by mouse

Guide graphical user interface interactive design tool

H H

Harmmean harmonic mean

Help online help

Helpwin interactive online help

Helpdesk opens hypertext User Guide

HEX2DEC sixteen decimal to decimal

Hex2num sixteen hexadecimal converted to floating point

numbers

Hidden perspective and blanking switch

Hilb Hilbert matrix

Hist frequency calculation or frequency histogram

Frequency histogram of Histc endpoint location

Frequency histogram of histfit with normal fitting

Switch hold map redraw the current

Horner is decomposed into nested forms

Figure hot black white

HSV saturation color diagram

I I

If-else-elseif conditional branching structure

IFFT discrete Fourier inverse transform

Ifft2 two dimensional discrete Fourier inverse transform

Ifftn high dimensional discrete Fourier inverse transform

The inverse operation of the spectrum in ifftshift DC component

pairs

Inverse transformation of ifourier Fourier

I, J default dummy unit variable

Inverse transformation of ilaplace Laplace

Imaginary part of imag complex number

Image display image

Imagesc display brightness image

Imfinfo get graphic file information

Imread reads images from a file

Imwrite handle

Imwrite writes images into documents

Ind2sub single subscript transforms into multi subscript

Inf infinity

Info MathWorks company network address

Inline constructs inline function objects

Inmem lists the function names in memory

Input prompts user input

Inputname input volume name

Int symbolic integral

Int2str converts an integer array into a string array

Interp1 one dimensional interpolation

Interp2 two dimensional interpolation

Interp3 3D interpolation

Interpn N dimensional interpolation

Interpft using FFT interpolation

Intro Matlab own entry Guide

Inverse matrix of inv

Exact inverse of invhilb Hilbert matrix

Generalized inverse transpose of ipermute

Isa detects whether objects of a given class are given

Ischar is true if it is a string

Isequal is true if two arrays are the same

If isempty is an empty array, then it is true

Isfinite if all elements are finite, then true

Isfield is true if it is a domain

Isglobal is true if it is global variable

Ishandle is true if it is a graphical handle

Ishold true if the current graph is in the reserved state

Isieee if the computer executes the IEEE rule, then it is true

Isinf is true if it's infinite data

Isletter is true if it's English letters

Islogical is true if it is a logical array

Does the ismember check belong to the specified set?

If IsNaN is non number, then truth is true

IsNumeric is true if it is a numeric array

Isobject is true if it is an object

Isprime is true if prime number is true

Isreal is true if it is real

Isspace is true if the space is blank

If issparse is sparse matrix, then true

Isstruct is true if it is framed

Isstudent if Matlab Student Edition is true

Iztrans signed computation Z inverse transform

J J, K K

Jacobian matrix calculation in Jacobian symbolic computation

Jet blue head, red tail, saturated color

Jordan standard form in Jordan symbolic computation

Keyboard keyboard gain control

Arrays generated by Kron Kronecker multiplication rules

L L

Laplace Laplace transform

Lasterr displays the latest error information

Lastwarn displays the latest warning information

Leastsq solution of the nonlinear least squares problem (old

version)

Legend graphic legend

Lighting lighting mode

Line creates line objects

Lines uses plot to draw line color

Linear model of continuous system for linmod

Linmod2 won the excellent linear continuous system model

Linspace linear equal vector

Natural logarithm of LN matrix

Load reads variables from MAT files

Log natural logarithm

Log10 common logarithm

The logarithm of log2 bottom is 2

Loglog double logarithmic scale graphics

Logm matrix logarithm

Logspace logarithmic index vector

Lookfor searches for M files by keyword

Convert lower to lowercase letters

Lsqnonlin solving nonlinear least squares problem

Lu LU decomposition

M M

Mean absolute deviation of mad

Magic magic cube

Maple &nb, sp; operating Maple format instructions

The mat2str array value into the input string array form

Reflection mode of material material

Max finding the largest element in a vector

Mbuild EXE file compiler pre setup instructions

MCC creates compiler directives for MEX or EXE files

Mean finding the mean of vector elements

Median for median

Interactive editing tools menuedit start menu design user

Mesh net diagram

Meshz screen mesh

"Lattice" matrix generated by meshgrid

Methods informed of all function method of the specified class

definition

Mex MEX file compiler pre setup instructions

Mfunlis can be calculated by mfun MAPLE classic function list

Mhelp leads Maple online help

Min finding the smallest element in a vector

Create directory by MKDIR

The clarity of piecewise polynomial data of mkpp

Mod modular operation

Pagination display of contents in more instruction window

Movie Video Animation

Memory preset of moviein video frame picture

Mtaylor symbolic computation of multi variable Taylor series

expansion

N n

Ndims for array dimension

NaN non number (predefined) variable

Validation of nargchk input arguments

Input quantity of nargin function

The output quantity of nargout function

Ndgrid has high dimensional lattice matrix

Newplot prepares a new default graph, axis

Nextpow2 takes the nearest larger 2 power

The total number of nonzero elements of nnz matrix

Nonzero elements of nonzeros matrix

Norm matrix or vector norm

Cumulative probability density function of normcdf normal

distribution

2 norm of normest estimation matrix

Norminv normal distribution inverse cumulative probability

density function

Probability density function of normpdf normal distribution

Normrnd normal random number generator

Notebook integration environment for starting Matlab and Word

Null null 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 needed to store nonzero elements

O o

Variable step size solver for ode1 non Stiff differential

equations

Variable step size solver for ode15s Stiff differential

equations

Ode23t moderately Stiff differential equation solver

Ode23tb Stiff differential equation solver

Ode45 Stiff differential equation with variable step solver

Odefile ODE file template

Odeget learned the ODE options setting parameters

Two dimensional odephas2 ODE output function of the phase plane

The 3D odephas3 ODE output function of the phase space diagram

Time trajectory diagram of odeplot ODE output function

Display result of odeprint in Matlab instruction window

Odeset to create or rewrite the ODE option structure parameters

Ones all 1 array

Option optimset to create or rewrite optimization functional

instruction value

Orient set graphics emission mode

Orthogonalization of orth valued spaces

P p

Pack collects Matlab memory fragments to expand memory

Pagedlg brings up graphic layout dialog box

Patch creates block objects

Path instruction to set Matlab search path

Pathtool search path manager

Pause pause

Pcode creates pre interpreted P code files

Pcolor pseudo color

Typical 3D surfaces provided by peaks Matlab

Generalized transpose of permute

PI (predefined variables).

Pie two dimensional pie graph

Pie3 3D pie graph

Pink pink graph matrix

PINV pseudo inverse

Plot plane line graph

Plot3 3D line graph

Scatter diagram of plotmatrix matrix

Plotyy double ordinate diagram

Poissinv Poisson inverse cumulative probability distribution

function

Poissrnd Poisson distribution random number generator

Pol2cart polar or cylindrical coordinates become rectangular

coordinates

Polar polar diagram

The characteristic polynomial, polynomial root poly matrix

corresponding to the set

Poly2str displays polynomials in a habitual way

Poly2sym double precision polynomial coefficients into

symbolic polynomial vector

Polyder polynomial derivative

Polynomial fitting of polyfit data

Polyval calculates the value of a polynomial

Polyvalm computing matrix polynomial

Power of pow2 2

Piecewise polynomial of ppval computation

Pretty displays symbolic expressions in a habitual way

Print print graph or SIMULINK model

Printsys displays rational fractions in a habitual way

Prism spectral color graph matrix

Transport program for procread to MAPLE

Profile function file performance evaluator

Propedit graphical object property editor

PWD displays the current working directory

Q Q

Quad lower order method for numerical integration

Numerical calculation of high-order quad8 (QUADL)

Quit launches Matlab environment

Quiver 2D directional arrow diagram

Quiver3 three dimensional arrow diagram

R R

Rand produces uniformly distributed random numbers

Randn produces normally distributed random numbers

Randperm random permutation vector

Range sample range

Rank of rank matrix

Rats rational output

Estimation of inverted condition number of rcond matrix

Real part of real complex number

Reallog calculates natural logarithm in real number field

Realpow in the real domain computing power

Realsqrt calculates square root in real number field

Realmax maximum positive floating point number

Realmin minimum positive floating point number

Rectangle draw "rectangular box""

REM for remainder

Array of repmat laying modules

Reshape changes the dimension and size of array

Residue partial fraction expansion

Return returns

Ribbon draws 2D curves into three-dimensional ribbons

Rmfield delete the domain of the frame

Finding roots of polynomials by roots

Rose number sector graph

The rot90 matrix rotates 90 degrees

Rotate specifies the origin and rotation of the direction

Rotate3d interactive 3D graphics view start setting function

Round rounding the nearest integer

Rref simplified matrix is trapezoid form

Rsf2csf real block diagonal matrix to complex eigenvalue

diagonal matrix

Rsums Riemann and

S s

Save saves memory variables as files

Scatter scatter plot

Scatter3 3D scatter plot

SEC secant

Sech hyperbolic secant

Logarithmic coordinate chart of semilogx X axis

Logarithmic coordinate chart of semilogy Y axis

Series series connection

Set sets graphic object properties

Setfield sets the domain of the frame array

Setstr ASCII code is converted to a character of the old version

of the instruction

Sign according to symbol value function

Symbolic value function in Signum symbolic computation

Sim running SIMULINK model

Get the simulation parameters set the SIMULINK model simget

Simple searching for the shortest form of symbolic solution

Simplifying operations in simplify symbolic computation

The simulation parameters of the SIMULINK model SimSET set

Simulink starts the SIMULINK module library browser

Sin sine

Sinh hyperbolic sine

The size of the size matrix

Slice stereo slice

Symbolic solution of algebraic equation by solve

Spalloc configures memory for nonzero elements

Sparse creates sparse matrices

Spconvert put the external data into a sparse matrix

Spdiags sparse diagonal matrix

Spfun for the function values of nonzero elements

Sph2cart spherical coordinates become rectangular coordinates

Sphere produces spherical surface

Periodic variation of color in spinmap color graphs

Spline spline interpolation

Spones replacing nonzero elements with 1

Sprandsym sparse random symmetric matrices

sprank 结构秩

spring 紫黄调春色图

sprintf 把格式数据写成串

spy 画稀疏结构图

sqrt 平方根

sqrtm 方根矩阵

squeeze 删去大小为1的 "孤维"

按指定格式读串 sscanf

stairs 阶梯图

std 标准差

stem 二维杆图

step 阶跃响应指令

str2double 串转换为双精度值

str2mat 创建多行串数组

str2num 串转换为数

strcat 接成长串

串比较 strcmp

strjust 串对齐

strmatch 搜索指定串

串中前若干字符比较 strncmp()

strrep 串替换

while the 寻找第一间隔符前的内容

struct 创建构架数组

struct2cell 把构架转换为元胞数组

strvcat 创建多行串数组

sub2ind 多下标转换为单下标

subexpr 通过子表达式重写符号对象

subplot 创建子图

符号计算中的符号变量置换 subs

两子空间夹角 subspace

sum 元素和

summer 绿黄调夏色图

superiorto 设定优先级

surf 三维着色表面图

surface 创建面对象

surfc 带等位线的表面图

surfl 带光照的三维表面图

surfnorm 空间表面的法线

svd 奇异值分解

svds 求指定的若干奇异值

switch case otherwise 多分支结构

sym2poly 符号多项式转变为双精度多项式系数向量

symmmd 对称最小度排序

symrcm 反向cuthill - mckee排序

创建多个符号对象 syms

t t

tan 正切

双曲正切 tanh

taylortool 进行taylor逼近分析的交互界面

text 文字注释

tf 创建传递函数对象

tic 启动计时器

title 图名

toc 关闭计时器

trapz 梯形法数值积分

treelayout 展开树、林

treeplot 画树图

tril 下三角阵

trim 求系统平衡点

trimesh 不规则格点网线图

trisurf 不规则格点表面图 triu 上三角阵 try - catch 控制流中的try - catch结构 type 显示m文件

u u

uicontextmenu 创建现场菜单

uicontrol 创建用户控件

uimenu 创建用户菜单

unmkpp 逐段多项式数据的反明晰化

unwrap 自然态相角

upper 转换为大写字母

v v

var 方差

varargin 变长度输入宗量

varargout 变长度输出宗量

vectorize 使串表达式或内联函数适于数组运算

the 版本信息的获取

view 三维图形的视角控制

voronoi voronoi多边形

vpa 任意精度 (符号类) 数值

w w

warning 显示警告信息

what 列出当前目录上的文件

throughout 显示matlab中 readme文件的内容

which 确定函数、文件的位置

while 控制流中的while环结构

white 全白色图矩阵

whitebg 指定轴的背景色

who 列出内存中的变量名

whos 列出内存中变量的详细信息

winter 蓝绿调冬色图

workspace 启动内存浏览器

x, y, z

xlabel x轴名

xor 或非逻辑

yesinput 智能输入指令

ylabel y轴名

zeros 全零数组

zlabel z轴名

zoom 图形的变焦放大和缩小

ztrans 符号计算z变换