How to sum elements in a matrix rowwise for specific columns only?
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I have a matrix X, consisting out of 100 rows and 10 columns. I want to sum up columns 7 to 10 to one single number, yielding a matrix with still 100 rows, but only 7 columns.
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Stephen23
2018년 6월 5일
편집: Stephen23
2018년 6월 5일
Where X is your matrix:
Y = [X(:,1:6),sum(X(:,7:10),2)]
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