Matlab入门（英文）

晓夜寒风

Some MATLAB function descriptions
. A3 h* q- J# t+ n4 R# H# iThese lists are copied from the help screens for MATLAB Version 4.2c (dated Nov 23 1994). Only a few of the summaries are listed -- use Matlab's help function to see more.
2 S; U2 M' ]; ?5 Q8 W* r
0 F& t- V% Z! k/ G( V, G>> help

晓夜寒风

HELP topics:

matlab/general       -  General purpose commands.
matlab/ops           -  Operators and special characters.
  V( |( T: j( r" h5 wmatlab/lang          -  Language constructs and debugging.
1 {$ q7 |- M& g) w3 a" ^0 ]! I# Rmatlab/elmat         -  Elementary matrices and matrix manipulation.
matlab/specmat       -  Specialized matrices.
matlab/elfun         -  Elementary math functions.
matlab/specfun       -  Specialized math functions.
matlab/matfun        -  Matrix functions - numerical linear algebra.
: [  f' n: V' ~3 a6 R4 [/ Dmatlab/datafun       -  Data analysis and Fourier transform functions.
matlab/polyfun       -  Polynomial and interpolation functions.
matlab/funfun        -  Function functions - nonlinear numerical methods.
- r; u0 [9 D* o3 w4 H3 Ymatlab/sparfun       -  Sparse matrix functions.
! D& a( _7 N4 A: E' z- zmatlab/plotxy        -  Two dimensional graphics.
% T6 G: v) M- S. Z1 amatlab/plotxyz       -  Three dimensional graphics.
3 N9 L( J0 o4 L" M7 G8 l" xmatlab/graphics      -  General purpose graphics functions.
6 _1 F- ?! O( D& Hmatlab/color         -  Color control and lighting model functions.
matlab/sounds        -  Sound processing functions.
3 z9 e1 X5 P, s7 j0 H" J# I+ @matlab/strfun        -  Character string functions.
matlab/iofun         -  Low-level file I/O functions.
5 _  f. J% d+ j& ?matlab/demos         -  The MATLAB Expo and other demonstrations.
* A: b9 A8 D" V3 L) e2 J+ ]. r- Stoolbox/chem         -  Chemometrics Toolbox
toolbox/control      -  Control System Toolbox.
. L' d1 x* s) l! y# ?fdident/fdident      -  Frequency Domain System Identification Toolbox
fdident/fddemos      -  Demonstrations for the FDIDENT Toolbox
toolbox/hispec       -  Hi-Spec Toolbox
toolbox/ident        -  System Identification Toolbox.
toolbox/images       -  Image Processing Toolbox.
toolbox/local        -  Local function library.
toolbox/mmle3        -  MMLE3 Identification Toolbox.
/ d. f: m0 {0 y( _$ Ampc/mpccmds          -  Model Predictive Control Toolbox
mpc/mpcdemos         -  Model Predictive Control Toolbox
mutools/commands     -  Mu-Analysis and Synthesis Toolbox.: Commands directory
mutools/subs         -  Mu-Analysis and Synthesis Toolbox -- Supplement
' y9 E6 }5 K3 a$ ftoolbox/ncd          -  Nonlinear Control Design Toolbox.
' K9 r$ z2 R: N0 x6 @% _nnet/nnet            -  Neural Network Toolbox.
+ E' a" G2 k/ Bnnet/nndemos         -  Neural Network Demonstrations and Applications.
( u2 ?. {  u' o: P  gtoolbox/optim        -  Optimization Toolbox.
toolbox/robust       -  Robust Control Toolbox.
toolbox/signal       -  Signal Processing Toolbox.
toolbox/splines      -  Spline Toolbox.
# r9 b/ f" A: F+ W+ w2 I  ]toolbox/stats        -  Statistics Toolbox.
toolbox/symbolic     -  Symbolic Math Toolbox.
+ Y" \0 I2 Y  q3 U8 C3 Gtoolbox/wavbox       - (No table of contents file)
' C" E8 S& g* _+ l+ n9 }) o( @* q" esimulink/simulink    -  SIMULINK model analysis and construction functions.
simulink/blocks      -  SIMULINK block library.
* Q* u7 H" _: y2 Usimulink/simdemos    -  SIMULINK demonstrations and samples.
! Q6 b+ x  J6 i' ~- stoolbox/codegen      -  Real-Time Workshop
# p) y# O1 \; O8 C
For more help on directory/topic, type "help topic".

晓夜寒风

>> help elmat
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Elementary matrices and matrix manipulation.

9 F) a& L! p# C$ @ Elementary matrices.
   zeros       - Zeros matrix.
   ones        - Ones matrix.
' @8 d, l5 L+ z   eye         - Identity matrix.
# S+ a" |( [4 N+ T+ _  E4 e   rand        - Uniformly distributed random numbers.
% v, [* r% i5 W% y$ Q- u5 V   randn       - Normally distributed random numbers.
   linspace    - Linearly spaced vector.
1 V4 O+ u3 b1 f   logspace    - Logarithmically spaced vector.
   meshgrid    - X and Y arrays for 3-D plots.
   :           - Regularly spaced vector.

' t& J$ e. }1 C/ d Special variables and constants.
   ans         - Most recent answer.
% i% V! y# w( F! C2 I2 E) m1 ~3 Y- D" i; V   eps         - Floating point relative accuracy.
   realmax     - Largest floating point number.
! S" j& j$ G0 g( {$ M& f   realmin     - Smallest positive floating point number.
/ Q; N1 Z  J6 c. D' Z2 f  S$ u   pi          - 3.1415926535897....
   i, j        - Imaginary unit.
/ f- N, w6 m* f% t% l6 K. Q' ]   inf         - Infinity.
. j: i) i7 `1 S. W   NaN         - Not-a-Number.
4 ~8 ~6 ^' e4 W, w0 [! E) Q   flops       - Count of floating point operations.
6 G/ r  v3 }0 b4 ]2 J9 e   nargin      - Number of function input arguments.
3 k# F5 X; @, @" E  [   nargout     - Number of function output arguments.
   computer    - Computer type.
   isieee      - True for computers with IEEE arithmetic.
! U) @4 x2 q6 z6 O4 Q6 i- U3 |6 ]   isstudent   - True for the Student Edition.
: J2 q5 C  }0 l5 \   why         - Succinct answer.
0 D, T* P0 ?/ W" {2 N$ h   version     - MATLAB version number.
* ]* p' ]1 [, n5 Z' N
$ [1 N: _5 v% H- J Time and dates.
   clock       - Wall clock.
& a6 Z6 s& b& C4 a8 I0 P9 I4 y   cputime     - Elapsed CPU time.
   date        - Calendar.
& Z9 {5 p9 n( S- z! q4 {   etime       - Elapsed time function.
   tic, toc    - Stopwatch timer functions.

Matrix manipulation.
) E. w4 f* Y9 M& p/ ~/ i   diag        - Create or extract diagonals.
4 v/ \# \" E$ b' p" z; [   fliplr      - Flip matrix in the left/right direction.
   flipud      - Flip matrix in the up/down direction.
   reshape     - Change size.
   rot90       - Rotate matrix 90 degrees.
   tril        - Extract lower triangular part.
   triu        - Extract upper triangular part.
- N5 @0 P/ r: C4 _   :           - Index into matrix, rearrange matrix.

晓夜寒风

>> help specmat
1 q4 j9 ^$ }+ o$ T+ b
& s6 g% \. B& W Specialized matrices.
1 {, m+ l" F& x( p5 D; q
   compan      - Companion matrix.
   gallery     - Several small test matrices.
   hadamard    - Hadamard matrix.
   hankel      - Hankel matrix.
   hilb        - Hilbert matrix.
   invhilb     - Inverse Hilbert matrix.
   kron        - Kronecker tensor product.
7 A' N. P: I( ~( p   magic       - Magic square.
& u* _; B6 N$ g, \0 L   pascal      - Pascal matrix.
   rosser      - Classic symmetric eigenvalue test problem.
   toeplitz    - Toeplitz matrix.
   vander      - Vandermonde matrix.
8 [. W3 ?6 n, ^$ V! u   wilkinson   - Wilkinson's eigenvalue test matrix.


>> help elfun
, U3 p& p, e4 G$ V& b9 o
/ \" h, J% d, R3 f) R2 l4 `* L% u Elementary math functions.
3 N/ e: D7 d, ?- {" B& m1 b4 `( c+ d+ ?
Trigonometric.
   sin         - Sine.
2 ~& R1 j9 f+ y6 I% m6 R   sinh        - Hyperbolic sine.
   asin        - Inverse sine.
" Y1 G+ i, d! A) V! P- ^/ Q6 K% b   asinh       - Inverse hyperbolic sine.
   cos         - Cosine.
! G$ T7 @5 p/ ]2 b5 g2 \   cosh        - Hyperbolic cosine.
   acos        - Inverse cosine.
   acosh       - Inverse hyperbolic cosine.
   tan         - Tangent.
   tanh        - Hyperbolic tangent.
9 l* \9 J' v6 O- Z   atan        - Inverse tangent.
   atan2       - Four quadrant inverse tangent.
   atanh       - Inverse hyperbolic tangent.
" n/ k# l9 r8 P5 d   sec         - Secant.
   sech        - Hyperbolic secant.
   asec        - Inverse secant.
   asech       - Inverse hyperbolic secant.
   csc         - Cosecant.
   csch        - Hyperbolic cosecant.
& A: D) M7 n, I* t2 N   acsc        - Inverse cosecant.
$ X9 D/ Q8 J# m" `   acsch       - Inverse hyperbolic cosecant.
   cot         - Cotangent.
   coth        - Hyperbolic cotangent.
: Q' R/ \  V; P) f   acot        - Inverse cotangent.
   acoth       - Inverse hyperbolic cotangent.
, R/ @7 I0 x0 N
! C9 I( o: ^: H! {/ K Exponential.
   exp         - Exponential.
' V: U2 k$ E# @" E/ `   log         - Natural logarithm.
# e" M# u2 A+ ?   log10       - Common logarithm.
   sqrt        - Square root.

6 o  M% n+ {: I) \: g! R) } Complex.
5 y6 \9 g/ D  s6 F. N9 W0 w   abs         - Absolute value.
8 q3 q, p: M: k; u0 _' N   angle       - Phase angle.
   conj        - Complex conjugate.
   imag        - Complex imaginary part.
3 ]5 s. a  U; l+ l- n   real        - Complex real part.
% v7 \5 C7 Y* |
Numeric.
   fix         - Round towards zero.
   floor       - Round towards minus infinity.
; Q4 `5 w4 w9 p& K% Y$ Y3 W   ceil        - Round towards plus infinity.
   round       - Round towards nearest integer.
   rem         - Remainder after division.
   sign        - Signum function.
3 [" Y; G% }% Q$ p( S
6 G6 R- _5 r4 n" I
>> help specfun

晓夜寒风

>> help specmat

& y3 Y3 c9 o$ j Specialized matrices.
6 t. T* Z/ i$ I, z+ C
/ L0 o. s/ W1 o0 d* X# V   compan      - Companion matrix.
   gallery     - Several small test matrices.
$ \( C! ?2 G& f! K   hadamard    - Hadamard matrix.
   hankel      - Hankel matrix.
   hilb        - Hilbert matrix.
8 |9 V5 X: @# I   invhilb     - Inverse Hilbert matrix.
   kron        - Kronecker tensor product.
5 e0 Z) B' `. z' J6 q   magic       - Magic square.
   pascal      - Pascal matrix.
   rosser      - Classic symmetric eigenvalue test problem.
   toeplitz    - Toeplitz matrix.
/ r5 Z6 R7 b2 p: c$ K6 p6 A   vander      - Vandermonde matrix.
1 u& x# [# o0 E$ _5 ?   wilkinson   - Wilkinson's eigenvalue test matrix.


>> help elfun

8 z9 V2 A0 l" S. g" p Elementary math functions.
; Q( \# {$ m; {, f
Trigonometric.
5 Z, X4 o# e( q* H   sin         - Sine.
   sinh        - Hyperbolic sine.
   asin        - Inverse sine.
   asinh       - Inverse hyperbolic sine.
   cos         - Cosine.
   cosh        - Hyperbolic cosine.
   acos        - Inverse cosine.
' z+ o( Y! @+ b- f9 N   acosh       - Inverse hyperbolic cosine.
   tan         - Tangent.
* R$ n( g7 k* F, }! V   tanh        - Hyperbolic tangent.
   atan        - Inverse tangent.
3 N1 g$ k8 z- }   atan2       - Four quadrant inverse tangent.
   atanh       - Inverse hyperbolic tangent.
8 X" @; p9 R6 s3 h. i7 C   sec         - Secant.
   sech        - Hyperbolic secant.
& t, g2 s; g) O( q- m   asec        - Inverse secant.
   asech       - Inverse hyperbolic secant.
   csc         - Cosecant.
   csch        - Hyperbolic cosecant.
( |4 z6 \9 [$ ?6 J$ Q) K- y! `. O' K   acsc        - Inverse cosecant.
   acsch       - Inverse hyperbolic cosecant.
   cot         - Cotangent.
* g0 \3 j7 K" x, P+ J' s+ D, J   coth        - Hyperbolic cotangent.
0 x3 @3 [' Y" p5 B   acot        - Inverse cotangent.
% B- B* o% ?+ g/ A2 f% q& U   acoth       - Inverse hyperbolic cotangent.

Exponential.
   exp         - Exponential.
   log         - Natural logarithm.
8 M9 B5 q: A5 E/ ?   log10       - Common logarithm.
0 Q  }' G- a; j* i5 a; e& o   sqrt        - Square root.
% R7 }( [1 B* I! U
& g" ]8 @+ R* y* T5 ^# ~' u! E Complex.
   abs         - Absolute value.
5 l: c: M. _3 }& Z( z+ i   angle       - Phase angle.
   conj        - Complex conjugate.
" p0 d* a6 B# ?   imag        - Complex imaginary part.
   real        - Complex real part.

Numeric.
: F4 G! Q0 U( N% ]5 \5 |   fix         - Round towards zero.
. y- o5 T7 B$ `7 m, |) `5 a- |   floor       - Round towards minus infinity.
: d' s" H! Y/ j6 |4 E   ceil        - Round towards plus infinity.
; c7 k, D& q+ e$ P. I9 m. |   round       - Round towards nearest integer.
   rem         - Remainder after division.
% c% p/ R- k0 D   sign        - Signum function.


>> help specfun

晓夜寒风

Specialized math functions.
3 v; `1 ?+ K4 @7 ~. ?, v' H
   besselj     - Bessel function of the first kind.
   bessely     - Bessel function of the second kind.
1 }' }( S7 U" Y# j' K2 ~( T   besseli     - Modified Bessel function of the first kind.
   besselk     - Modified Bessel function of the second kind.
& R, f( _- [- L2 R8 h% K, f6 k/ n( T   beta        - Beta function.
   betainc     - Incomplete beta function.
7 v) X* h2 h6 V6 N1 p& V7 g1 E   betaln      - Logarithm of beta function.
   elli石皮解      - Jacobi elliptic functions.
   ellipke     - Complete elliptic integral.
& G0 u% a  D* i& z. I/ R   erf         - Error function.
   erfc        - Complementary error function.
   erfcx       - Scaled complementary error function.
9 Q6 |) \% e9 W' o9 z   erfinv      - Inverse error function.
   expint      - Exponential integral function.
   gamma       - Gamma function.
# C# q7 q  U* v   gcd         - Greatest common divisor.
   gammainc    - Incomplete gamma function.
   lcm         - Least common multiple.
4 v. y2 q8 n, D$ o   legendre    - Associated Legendre function.
   gammaln     - Logarithm of gamma function.
   log2        - Dissect floating point numbers.
   pow2        - Scale floating point numbers.
   rat         - Rational approximation.
   rats        - Rational output.
   cart2sph    - Transform from Cartesian to spherical coordinates.
0 c' Z/ j. P! V) b   cart2pol    - Transform from Cartesian to polar coordinates.
   pol2cart    - Transform from polar to Cartesian coordinates.
   sph2cart    - Transform from spherical to Cartesian coordinates.
' H7 t" w! A6 x3 u  H+ c

0 m& ^6 s" K$ P" b* @>> help matfun
3 F# l( v1 h9 r" Z  L
! ^1 [& W" W7 p! | Matrix functions - numerical linear algebra.
" D# |# K: Y9 c- Z: i' ^1 Q
Matrix analysis.
   cond        - Matrix condition number.
8 _4 V6 y, N/ {! D, j/ q   norm        - Matrix or vector norm.
$ H* f: ]# t) n* \9 v7 D. f: z   rcond       - LINPACK reciprocal condition estimator.
1 J, J$ h3 N# E/ b8 h% d* t# O* A   rank        - Number of linearly independent rows or columns.
   det         - Determinant.
   trace       - Sum of diagonal elements.
   null        - Null space.
   orth        - Orthogonalization.
   rref        - Reduced row echelon form.
) x0 E! S* u* A% K& S8 H
Linear equations.
   \ and /     - Linear equation solution; use "help slash".
   chol        - Cholesky factorization.
1 g, |4 y1 k& I0 K# \% v& z   lu          - Factors from Gaussian elimination.
3 ~& {& G+ d! L' K& j/ z   inv         - Matrix inverse.
* k# [9 Y: `8 s* \6 T7 x1 f   qr          - Orthogonal-triangular decomposition.
% |* q! s. u; M) M/ d   qrdelete    - Delete a column from the QR factorization.
4 ~( D6 C9 R8 B: E$ }8 B: s( V% D  B* Q   qrinsert    - Insert a column in the QR factorization.
$ G/ U- J7 v, K% e' c   nnls        - Non-negative least-squares.
# Q) O+ h) b1 j, P/ ~/ T- r   pinv        - Pseudoinverse.
4 ?/ g; {; ?3 W3 f3 T7 x6 `9 c: y# F   lscov       - Least squares in the presence of known covariance.
3 N: L' N- z: Q& ^! J
5 _1 g) q2 T( D9 k Eigenvalues and singular values.
1 g+ W0 e% C/ h" @" q) ?   eig         - Eigenvalues and eigenvectors.
  P7 r& W$ C' h* v9 O6 p, k0 V   poly        - Characteristic polynomial.
  f! @$ _0 |! \- E) N# {   polyeig     - Polynomial eigenvalue problem.
   hess        - Hessenberg form.
& k/ }4 F. r8 \+ ?  `6 |   qz          - Generalized eigenvalues.
   rsf2csf     - Real block diagonal form to complex diagonal form.
   cdf2rdf     - Complex diagonal form to real block diagonal form.
   schur       - Schur decomposition.
* ]2 e5 v# t9 }& @7 F5 z% f   balance     - Diagonal scaling to improve eigenvalue accuracy.
: i* l  X! [# f( A- m* S1 Q* l   svd         - Singular value decomposition.
9 q, c) u6 D' ]% m5 D& o- z
Matrix functions.
, Z9 Z- y+ Z& T$ e* A   expm        - Matrix exponential.
4 H' m, R% f: l8 |# W9 v   expm1       - M-file implementation of expm.
   expm2       - Matrix exponential via Taylor series.
   expm3       - Matrix exponential via eigenvalues and eigenvectors.
   logm        - Matrix logarithm.
   sqrtm       - Matrix square root.
   funm        - Evaluate general matrix function.

晓夜寒风

>> help general

0 a9 S2 r7 r2 V4 J6 H7 I General purpose commands.
! v* \4 {! B: {) ?- r1 T# O MATLAB Toolbox  Version 4.2a 25-Jul-94
. _5 R/ ~2 a" U6 e7 ?) q! e+ T; s
Managing commands and functions.
' ?4 j5 P5 `' w7 z- l4 k   help        - On-line documentation.
   doc         - Load hypertext documentation.
   what        - Directory listing of M-, MAT- and MEX-files.
   type        - List M-file.
: K8 [4 v5 c  G& V" m* n! ^   lookfor     - Keyword search through the HELP entries.
   which       - Locate functions and files.
   demo        - Run demos.
& i# w9 ^3 _3 v* w6 C9 }* ~9 s   path        - Control MATLAB's search path.

Managing variables and the workspace.
4 o3 Q9 B. c# w2 }   who         - List current variables.
   whos        - List current variables, long form.
   load        - Retrieve variables from disk.
   save        - Save workspace variables to disk.
% L: j# J( }3 x4 P# e9 Y/ p   clear       - Clear variables and functions from memory.
   pack        - Consolidate workspace memory.
' N- s& i$ S* n   size        - Size of matrix.
   length      - Length of vector.
   disp        - Display matrix or text.
& c; F( [* U0 w" @
6 D* Q; O! s7 B3 e: | Working with files and the operating system.
   cd          - Change current working directory.
! y" i: k- a- m' Q; q) ]   dir         - Directory listing.
   delete      - Delete file.
   getenv      - Get environment value.
" y: l3 {- u6 z; d8 B   !           - Execute operating system command.
   unix        - Execute operating system command & return result.
   diary       - Save text of MATLAB session.

3 G2 R1 ?9 V/ i! [ Controlling the command window.
( i6 p3 l2 H0 Q5 C7 X+ t   cedit       - Set command line edit/recall facility parameters.
6 M- |7 b" l1 q# w1 `8 Y! e7 L+ J8 x   clc         - Clear command window.
   home        - Send cursor home.
   format      - Set output format.
5 L8 W* |2 e) p   echo        - Echo commands inside script files.
4 u$ ^, B% j9 l& Y# g   more        - Control paged output in command window.
5 ]  C$ d- F8 R
* x' _& J, z. A& x6 Z0 p Starting and quitting from MATLAB.
$ Q1 v8 D5 i+ d0 y& b* _1 N; B: V' p   quit        - Terminate MATLAB.
- I" `- P5 ~- \6 y: l6 V   startup     - M-file executed when MATLAB is invoked.
   matlabrc    - Master startup M-file.

General information.
   info        - Information about MATLAB and The MathWorks, Inc.
$ F2 _8 K( @" W+ R- \   subscribe   - Become subscribing user of MATLAB.
   hostid      - MATLAB server host identification number.
   whatsnew    - Information about new features not yet documented.
   ver         - MATLAB, SIMULINK, and TOOLBOX version information.

晓夜寒风

>> help general

: p  i0 ?+ m9 p4 w& T2 i General purpose commands.
MATLAB Toolbox  Version 4.2a 25-Jul-94

Managing commands and functions.
   help        - On-line documentation.
   doc         - Load hypertext documentation.
   what        - Directory listing of M-, MAT- and MEX-files.
   type        - List M-file.
. M0 d7 k2 D3 o9 g2 Q% h6 @* I   lookfor     - Keyword search through the HELP entries.
   which       - Locate functions and files.
   demo        - Run demos.
   path        - Control MATLAB's search path.

Managing variables and the workspace.
   who         - List current variables.
   whos        - List current variables, long form.
   load        - Retrieve variables from disk.
) c/ P! ]' K1 u( Y' X! N& u   save        - Save workspace variables to disk.
   clear       - Clear variables and functions from memory.
/ _$ ^: ]0 w+ w: F7 Z! z   pack        - Consolidate workspace memory.
   size        - Size of matrix.
   length      - Length of vector.
  q6 Q. j0 I. `7 B# B  h9 \   disp        - Display matrix or text.
4 h) L: f" b( y0 `+ Y/ m
+ Y; l% s$ h# T4 C% }6 _6 d Working with files and the operating system.
   cd          - Change current working directory.
   dir         - Directory listing.
2 [  }7 ^8 m- H4 Z   delete      - Delete file.
   getenv      - Get environment value.
   !           - Execute operating system command.
2 l# r% R  F2 h4 P" m! _! }   unix        - Execute operating system command & return result.
3 N1 R( F4 T& Z- B3 F   diary       - Save text of MATLAB session.
) a  p6 k$ |# S, \! q" m! U8 l  t
/ M) ~, G4 q; B% m Controlling the command window.
' l! r. N' \  d* E7 f( k1 n   cedit       - Set command line edit/recall facility parameters.
. [* N) f$ _6 F# t; b   clc         - Clear command window.
+ b# k, S" K8 `, _   home        - Send cursor home.
   format      - Set output format.
   echo        - Echo commands inside script files.
  m! Z& v5 o' D   more        - Control paged output in command window.

  Z) t: U2 S+ F6 S4 t' A5 {% { Starting and quitting from MATLAB.
   quit        - Terminate MATLAB.
   startup     - M-file executed when MATLAB is invoked.
1 k$ `5 L) v& |   matlabrc    - Master startup M-file.
# R+ X% H- n" y8 [2 O
8 T2 L% _# m2 T) b, o General information.
% i2 J$ k5 x9 Q1 B% C+ i9 u5 x   info        - Information about MATLAB and The MathWorks, Inc.
   subscribe   - Become subscribing user of MATLAB.
2 W# Q* j2 x; g2 o! |   hostid      - MATLAB server host identification number.
   whatsnew    - Information about new features not yet documented.
7 ^3 K' w! O' k% \/ t   ver         - MATLAB, SIMULINK, and TOOLBOX version information.

晓夜寒风

>> help funfun
, N9 K2 F* Q  h
3 i* _6 ?" g' q' d0 g Function functions - nonlinear numerical methods.

! z4 @' L, E. r6 n   ode23       - Solve differential equations, low order method.
   ode23p      - Solve and plot solutions.
   ode45       - Solve differential equations, high order method.
   quad        - Numerically evaluate integral, low order method.
# n  o6 ^1 P9 A& Z* Q' A0 M, [   quad8       - Numerically evaluate integral, high order method.
- J( f) d3 _9 q3 ~8 f   fmin        - Minimize function of one variable.
! F' o# X# d' a6 D0 B& |: ^   fmins       - Minimize function of several variables.
   fzero       - Find zero of function of one variable.
: v; q! z$ \  p# E; s2 ]1 b- k   fplot       - Plot function.
- i+ \2 U, L* B. e6 h' E$ H
See also The Optimization Toolbox, which has a comprehensive
set of function functions for optimizing and minimizing functions.

晓夜寒风

>> help funfun
$ ~" r; [* N# R0 p
Function functions - nonlinear numerical methods.

' D2 j$ `" Z8 Y   ode23       - Solve differential equations, low order method.
+ t  C+ X- r- [9 t% o9 M+ Y   ode23p      - Solve and plot solutions.
   ode45       - Solve differential equations, high order method.
& z  M! R$ H. }$ H2 [0 p4 a3 @   quad        - Numerically evaluate integral, low order method.
% h! z6 B: r- }+ T: Y   quad8       - Numerically evaluate integral, high order method.
   fmin        - Minimize function of one variable.
9 [, k2 `5 q" j   fmins       - Minimize function of several variables.
   fzero       - Find zero of function of one variable.
1 _# x& W  S0 o2 Y   fplot       - Plot function.
6 k! F8 l- H' }8 `- W+ x# ?
See also The Optimization Toolbox, which has a comprehensive
& Y2 f/ {" Y0 u! T3 `/ K3 c( F. A+ @ set of function functions for optimizing and minimizing functions.