06-03.txt

《MATLAB简明教程》俺买的最新版的MATLAB教材

>> matrix=[1 2 1 2; 3 4 3 4; 5 6 5 6; 7 8 7 8]
matrix =
     1     2     1     2
     3     4     3     4
     5     6     5     6
     7     8     7     8
>> m1=10*matrix
m1 =
    10    20    10    20
    30    40    30    40
    50    60    50    60
    70    80    70    80
>>  m2=m1+matrix
m2 =
    11    22    11    22
    33    44    33    44
    55    66    55    66
    77    88    77    88
>> m3=[1 2 3;4 5 6;7 8 9]
m3 =
     1     2     3
     4     5     6
     7     8     9
>> m4=m1-matrix
m4 =
     9    18     9    18
    27    36    27    36
    45    54    45    54
    63    72    63    72
>> m5=m1+m3
??? Error using ==> +
Matrix dimensions must agree.
>>