matlab矩阵数乘学习

matlab实现矩阵数乘

>> 
>> B1=[85,85,65,98;75,95,70,95;80,70,76,92]

B1 =

    85    85    65    98
    75    95    70    95
    80    70    76    92

>> 
>> B2=[90,70,80,92;80,90,82,92;85,75,90,90]

B2 =

    90    70    80    92
    80    90    82    92
    85    75    90    90

>> 
>> 
>> C=0.9*B1+0.1*B2

C =

   85.5000   83.5000   66.5000   97.4000
   75.5000   94.5000   71.2000   94.7000
   80.5000   70.5000   77.4000   91.8000

>> 
>>