How to find location of elements in an array
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I have 2 vectors 'A' of size 41*1 and 'B' of size 14*1
vector 'B' contains selected elements from vector 'A'. how do I find the position of elements present in vector 'b' in vector 'a'?
Example: A=1:1:100
B=2:2:20
Now I want to find the position of elements of B in A.
I tried find function but it throws dimention error.
Thanks in Advance
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回答(2 个)
Kanupriya Singh
2020-7-5
Try this-
a = [2 1 3 4 6 8]
b = [2 6 8]
idx = [];
for i = 1:length(b)
idx = [idx, find(b(i) == a)];
end
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Stephen23
2020-7-5
Rather complex... one ismember call is much simpler (and is what most MATLAB users would do).
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