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多维数组的设置
>> A(:,:,1)=magic(3);
>> A(:,;,2)=vander([1,2,3]);
A(:,;,2)=vander([1,2,3]);
|
错误: 圆括号或方括号不对称或异常。
>> A(:,;,2)=vander([1 2 3]);
A(:,;,2)=vander([1 2 3]);
|
错误: 圆括号或方括号不对称或异常。
>> A(:,:,2)=vander([1 2 3]);
>> A(:,:,3)=pascal(3);
>> A
A(:,:,1) =
8 1 6
3 5 7
4 9 2
A(:,:,2) =
1 1 1
4 2 1
9 3 1
A(:,:,3) =
1 1 1
1 2 3
1 3 6
>> A=rand(4,4,3)
A(:,:,1) =
0.8147 0.6324 0.9575 0.9572
0.9058 0.0975 0.9649 0.4854
0.1270 0.2785 0.1576 0.8003
0.9134 0.5469 0.9706 0.1419
A(:,:,2) =
0.4218 0.6557 0.6787 0.6555
0.9157 0.0357 0.7577 0.1712
0.7922 0.8491 0.7431 0.7060
0.9595 0.9340 0.3922 0.0318
A(:,:,3) =
0.2769 0.6948 0.4387 0.1869
0.0462 0.3171 0.3816 0.4898
0.0971 0.9502 0.7655 0.4456
0.8235 0.0344 0.7952 0.6463
>> a=[1,2;3,4]
a =
1 2
3 4
>> a=repmat(A,[3,4,3])
a(:,:,1) =
1 至 11 列
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
12 至 16 列
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
a(:,:,2) =
1 至 11 列
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
12 至 16 列
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
a(:,:,3) =
1 至 11 列
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
12 至 16 列
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
a(:,:,4) =
1 至 11 列
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
12 至 16 列
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
a(:,:,5) =
1 至 11 列
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
12 至 16 列
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
a(:,:,6) =
1 至 11 列
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
12 至 16 列
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
a(:,:,7) =
1 至 11 列
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575 0.9572 0.8147 0.6324 0.9575
0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649 0.4854 0.9058 0.0975 0.9649
0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576 0.8003 0.1270 0.2785 0.1576
0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706 0.1419 0.9134 0.5469 0.9706
12 至 16 列
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
0.9572 0.8147 0.6324 0.9575 0.9572
0.4854 0.9058 0.0975 0.9649 0.4854
0.8003 0.1270 0.2785 0.1576 0.8003
0.1419 0.9134 0.5469 0.9706 0.1419
a(:,:,8) =
1 至 11 列
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787 0.6555 0.4218 0.6557 0.6787
0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577 0.1712 0.9157 0.0357 0.7577
0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431 0.7060 0.7922 0.8491 0.7431
0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922 0.0318 0.9595 0.9340 0.3922
12 至 16 列
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
0.6555 0.4218 0.6557 0.6787 0.6555
0.1712 0.9157 0.0357 0.7577 0.1712
0.7060 0.7922 0.8491 0.7431 0.7060
0.0318 0.9595 0.9340 0.3922 0.0318
a(:,:,9) =
1 至 11 列
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387 0.1869 0.2769 0.6948 0.4387
0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816 0.4898 0.0462 0.3171 0.3816
0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655 0.4456 0.0971 0.9502 0.7655
0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952 0.6463 0.8235 0.0344 0.7952
12 至 16 列
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
0.1869 0.2769 0.6948 0.4387 0.1869
0.4898 0.0462 0.3171 0.3816 0.4898
0.4456 0.0971 0.9502 0.7655 0.4456
0.6463 0.8235 0.0344 0.7952 0.6463
>> a=[1,2;3,4]
a =
1 2
3 4
>> C=repmat(a,[3,4,3])
C(:,:,1) =
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
C(:,:,2) =
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
C(:,:,3) =
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
1 2 1 2 1 2 1 2
3 4 3 4 3 4 3 4
>> B=ones(3)
B =
1 1 1
1 1 1
1 1 1
>> A=magic(3)
A =
8 1 6
3 5 7
4 9 2
>> C=eye(3)
C =
1 0 0
0 1 0
0 0 1
>> D=cat(3,A,B,C)
D(:,:,1) =
8 1 6
3 5 7
4 9 2
D(:,:,2) =
1 1 1
1 1 1
1 1 1
D(:,:,3) =
1 0 0
0 1 0
0 0 1
多维数组的计算
>> B=(:,:,1)=magic(3);
B=(:,:,1)=magic(3);
|
错误: MATLAB 运算符异常。
>> B(:,:,1)=magic(3);
>> b(:,:,2)=ones(3);
>> B(:,:,2)=ones(3);
>> B(:,:,3)=eye(3);
>> size(B)
ans =
3 3 3
>> b=sum(B)
b(:,:,1) =
15 15 15
b(:,:,2) =
3 3 3
b(:,:,3) =
1 1 1
>> b=prod(B)
b(:,:,1) =
96 45 84
b(:,:,2) =
1 1 1
b(:,:,3) =
0 0 0
>> B(:,:,1)=magic(3);
b(:,:,2)=ones(3);
B(:,:,2)=ones(3);
B(:,:,3)=eye(3);
size(B)
ans =
3 3 3
b=sum(B)
b(:,:,1) =
15 15 15
b(:,:,2) =
3 3 3
b(:,:,3) =
1 1 1
b=prod(B)
b(:,:,1) =
96 45 84
b(:,:,2) =
1 1 1
b(:,:,3) =
0 0 0