﻿功能:对矩阵进行奇异值分解

格式:
[U,S,V]=SVD(A)
A:矩阵变量

说明:A=U*S*V',V'表示矩阵V的共轭转置矩阵

例子:

a =
 [ 0.693651475335309   0.347228371699913   3.43274318772962
   5.51184677309908    8.73987403639586    3.67042242720277]
[u,s,v]=svd(a)//回车得到如下结果
u =
[-0.17227687194448    0.98504856702247
 -0.98504856702247   -0.17227687194448 ]
s =
[ 11.1193901109495    0.00000000000000    0.00000000000000
  0.00000000000000    2.99707575497749    0.00000000000000 ]
v =
[-0.49903248438194   -0.08884771379985   -0.86201662587453
 -0.77963087244317   -0.38825890479210    0.49135600696759
 -0.37834148895553    0.91725738296411    0.12448538521745 ]