Sum all the Channels in matrix

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Aravin
Aravin 2012-9-16
Hello everyone,
Let say I have a matrix M of 100 x 100 x 5. How can I sum all the channels of M and get one matrix R of size 100 x 100 only. I want to do it without loops.

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Rick Rosson
Rick Rosson 2012-9-16
R = sum(M,3);

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Wayne King
Wayne King 2012-9-16
编辑：Wayne King 2012-9-16
M = randn(100,100,5);
R = sum(M,3);
Did you read the help for sum?

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