How to get all combinations of PRODUCTS between two array elements?

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Nadatimuj 2022-6-9

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评论： Voss 2022-6-10

采纳的回答： Voss

Hi,

Let's say I have two arrays.

A =[5 6 8 9 7];

B= [3 4 5];

I need all combinations of elements of A* elements of B. for examle, 5*3, 5*4, 5*5, 6*3, 6*4,...and so on Thanks.

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Voss 2022-6-9

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A = [5 6 8 9 7];
B = [3 4 5];
A.*B.'
ans = 3×5
    15    18    24    27    21
    20    24    32    36    28
    25    30    40    45    35

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Nadatimuj 2022-6-10

Thanks!

Voss 2022-6-10

You're welcome!

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Walter Roberson 2022-6-9

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在 MATLAB Online 中打开

A(:).*B(:).'

If you can guarantee that both are row vectors then either

A.'. * B

A .* B.'

The result will be a 2d array, length() of one by length() of the other.

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Nadatimuj 2022-6-10

Thank you!

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MATLAB Language Fundamentals Matrices and Arrays

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