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How to do a Matrix Aggregation.

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Amine Ben Ayara
Amine Ben Ayara 2016-5-23
评论： Matt J 2016-5-27
I have 19720 of (7by7) matrices stacked up in excel file ( so basically a total of 138040 row). I want to aggregate these matrices into one (7by7) matrix where each row element represents the sum of all the elements in the rows from each (7by7) matrix. Any suggestions, please.

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回答（1 个）

Matt J
Matt J 2016-5-23
Once you've read your data into a 138040x7 matrix, A
aggregation =sum( reshape(A.',7,7,[]) ,3).' ;
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Amine Ben Ayara
Amine Ben Ayara 2016-5-26
Please look at the screen shot that I have from my Matlab workspace. So my input matrix is
Matt J
Matt J 2016-5-27
I have looked at it. It confirms what I said. You said you have 138040 rows, but the screenshot shows only 138039.

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