I need to sum the values around the perimeter of a matrix, is there sum function in matlab

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DJ V
DJ V 2016-11-8
回答： Ibrahim Abouemira 2019-5-19
I assume there is a sum function and attempt the following code:
[x,y] =size(M)
Z = M(x:-1:1, y:-1,1);

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回答（2 个）

Daniel kiracofe
Daniel kiracofe 2016-11-11
For your second sum, instead of sum(A(y,1:1:y)) think you wanted sum(A(x,1:1:y))
Ibrahim Abouemira
Ibrahim Abouemira 2019-5-19

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