﻿功能:求矩阵的广义逆.此广义逆是Moore-Penrose A+逆

格式:pinv(a)

说明:a为矩阵变量

例子:

1、
a =
 [ 5.30905494713646    3.82213015287282   8.39569373447248
   3.50344744674091    4.22719609189182   2.22566123689788
   8.13818784343926    2.84649209717591   8.88897210773498 ]

pinv(a)//回车得到如下结果
ans =
 [ -0.350839742269853   0.113163784135867   0.303036025488603
   0.146323478839971    0.237340423975621  -0.197629880575926
   0.274350180181634   -0.179608593008163  -0.101655421411887 ]

2、

b =
 [ 6.31524184081482     2.97540091116699    0.380868455572458   0.599396545719074
   1.00748290354734     7.4689933925257     4.61313966410846    6.16741285480904
   2.91595372041499     3.7593617913124     5.48813336318737    6.47962443832291  ]
pinv(b)//回车得到如下结果
ans =
 [ 0.140114389458723     -0.0909699194674573    0.0706297146400038
   0.0557766700599095    0.2064621396256        -0.191115801088902
   -0.0502881781506689   -0.0587513973179397    0.136527041926059
   -0.0528215072448999   -0.0290859913230435    0.117791062529416  ]