OCTAVE演示矩阵量化前后的不变性

>> A=rand(3,3)
 A =   0.6775266   0.7483415   0.4066659
    0.2826693   0.1728607   0.5242794
    0.1570250   0.0015287   0.7337540>> B=rand(3,3)
 B =   0.64924   0.28227   0.67906
    0.82063   0.72221   0.65143
    0.63930   0.61994   0.82828>> A*B
 ans =   1.31397   0.98381   1.28441
    0.66055   0.52965   0.73881
    0.57229   0.50031   0.71538
>> M=25*A
 M =   16.938164   18.708538   10.166648
     7.066732    4.321518   13.106986
     3.925626    0.038218   18.343850>> N=36*B
 N =   23.372   10.162   24.446
    29.543   26.000   23.451
    23.015   22.318   29.818>> K=M*N
 K =   1182.57    885.43   1155.97
     594.49    476.69    664.93
     515.06    450.28    643.84
>> S=K/(25*35)
 S =   1.35151   1.01192   1.32110
    0.67942   0.54478   0.75992
    0.58864   0.51460   0.73582
>> A*B
 ans =   1.31397   0.98381   1.28441
    0.66055   0.52965   0.73881
    0.57229   0.50031   0.71538>> ans*25*36
 ans =   1182.57    885.43   1155.97
     594.49    476.69    664.93
     515.06    450.28    643.84
>>
结束！