Trouble with saving outer loop values

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klb
klb 2021-3-3
评论： klb 2021-3-4
Hi eveyone,
Tying to save outer loop iteration. Code works as wanted till first comment
clear all
A = [12 4;
1, 25;
4,19]
B = [90, 85;
60, 50;
90,40]
maxval=[];
for w = 1:5
for r = 1: size(A,1)
run1 = 2*A(r,1)+ r*B(r,1);
run2 = 3*A(r,2)+ B(r,2);
mat(r,:) = [run1, run2 ];
end
mat
[what , where] = max(sum((mat),2))
maxval = [w,mat(where,:)]
end
% here on is the bad code bit. tying to save/pass on the 'maxval' for each outer loop iteration.
% tried this:
maxval= [maxval;maxval]
And got:
5 278 97
5 278 97
% also tried
maxval (w,:) = maxval
and got :
[ 5 278 97
0 0 0
0 0 0
0 0 0
5 278 97]
Niether are correct.
Expected output is not those but this:
[ 1 278 97
2 278 97
3 278 97
4 278 97]
5 278 97]
What am I not doing right ?
Thank for your time!

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采纳的回答

David Hill
David Hill 2021-3-3
A = [12 4;
1, 25;
4,19];
B = [90, 85;
60, 50;
90,40];
maxval=[];
for w = 1:5
for r = 1: size(A,1)
run1 = 2*A(r,1)+ r*B(r,1);
run2 = 3*A(r,2)+ B(r,2);
mat(r,:) = [run1, run2 ];
end
[what , where] = max(sum((mat),2));
maxval(w,:) = [w,mat(where,:)];
end

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