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Matrix multiplication and trace can any body help me

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vikas Kumar
vikas Kumar 2020-8-24
编辑： Matt J 2020-8-24
Hi,
I have a A(5X5) matrix and a B(5X5X10) matrix. I want to compute Trace(A*B(:,:,1))+Trace(A*B(:,:,2)) +…+Trace(A*B(:,:,10))
Any direct/efficient way of doing this without the for loop?
Thank you very much,

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Matt J
Matt J 2020-8-24
编辑：Matt J 2020-8-24
result=sum( A.'.*sum(B,3) ,'all')

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