Help Needed with looping commands
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I have two sets of column data (about 120 data points each), d(:,1) and c(:,2).
How do I use the 'for' and 'if' loop commands to evaluate the difference between each of the points in the variables (that is, say E = d - c) and then compare each of the outcome with an error value computed already to produce another column data of results less than the error benchmark.
Thank you.
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回答（1 个）
KSSV
2020-9-17
Just use:
E = d(:,1)-c(:,2) ;
You need not to use a loop.
4 个评论
inteli
2020-9-17
KSSV
2020-9-17
If A, B, C and D are arrays of same size.
E = A-B ; % get difference
idx = E<C ; % compare difference of A, B with elements in C
iwant = D(idx) ; % get elements in D by above comparison
inteli
2020-9-17
KSSV
2020-9-17
You can do what I have shown above right? Do the comparison, get the logical indices and pick the points.
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