Combination of diffrenet matrixes

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Lee Cohen
Lee Cohen 2018-4-19
回答： John D'Errico 2018-4-19

Hello, I need to combine the following matrixes like this:

A=eye(5, 5); -> (size 5*5)

B=randi([-1 1],5 ,4); -> (size (5*4)

C=repmat(3,4,4); -> (size 4*4)

But when I typed M =[A, B; B, C] I got an error. How do I combine them?

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John D'Errico
John D'Errico 2018-4-19

Of course you got an error. Did you write code for what you wanted? No.

This is what you wrote:

M =[A, B; B, C]

But what you claim to want to compute is:

M =[A, B; B', C]

There is a difference.

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