6-50  ʹrot90Ծת
>> A=rand(4,3)
A =
    0.9501    0.8913    0.8214
    0.2311    0.7621    0.4447
    0.6068    0.4565    0.6154
    0.4860    0.0185    0.7919
>> rot90(A,1)
ans =
    0.8214    0.4447    0.6154    0.7919
    0.8913    0.7621    0.4565    0.0185
    0.9501    0.2311    0.6068    0.4860
>> rot90(A,-1)
ans =
    0.4860    0.6068    0.2311    0.9501
    0.0185    0.4565    0.7621    0.8913
    0.7919    0.6154    0.4447    0.8214
>>
