how to add the first row all the odd columns by step of 2 odd columns
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I want to add 1 and 3 the 2 and 1. Then moving to second row I want to add 1 and 1 then 4 and 5. Similarly I want to, in general, using using loop for an image
a = [...
1 2 3 1
1 4 1 5
5 8 5 9
1 9 2 1]
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madhan ravi
2018-9-1
编辑:madhan ravi
2018-9-1
Try this:
a1=a(:,1:2:end) %for odd columns
a2=a(:,2:2:end) %for even columns
oddcolumns=sum(a1,2)
evencolumns=sum(a2,2)
a
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