Matrix calculation, sum of two rows in each column
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I have a matrix d and I want to calculate for every column the sum of each to numbers. The Result should be the result matrix
d= 2 3 7
6 7 8
9 1 5
4 3 5
6 7 8
2 3 6
result= 8 10 15
13 4 10
8 10 14
result=[];
[x,y]=size(d);
for y=1:length(d(:,y))
for x=1:2:length(d(x,:))
[x,y]=size(d);
res=d(x)+d(x+1);
result=[result res];
end
end
I just get a vector consisting of 5. What should I change in the code? Thank you!
1 个评论
Jos (10584)
2016-12-20
I suggest you debug your code, tracing each step. the variables x and y may not behave as you expect.
采纳的回答
Andrei Bobrov
2016-12-20
d= [ 2 3 7
6 7 8
9 1 5
4 3 5
6 7 8
2 3 6];
result = squeeze(sum(reshape(d',size(d,2),2,[]),2))';
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