Output only numbers with complex conjugate
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Lets say I have an Array
a = [1+i*0.1, 1-i*0.1, 5-i*0.1, 10+i*0.2, 10-i*0.2]
which only contains complex numbers. I would like my output to only contains those numbers which have an corresponding complex conjugate inside the array e.g.
out = [1+i*0.1 10+i*0.2]
The output could also just contain the complex conjugate, but not both
Any help is greatly appreciated.
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Rik
il 24 Nov 2020
a = [1+1i*0.1, 1-1i*0.1, 5-1i*0.1, 10+1i*0.2, 10-1i*0.2];
b=conj(a);
c=b(ismember(b,a));
d=real(c)+1i*abs(imag(c));
e=unique(d)
(the displaying seems to have some issues, but it is indeed the vector you describe)
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Rik
il 24 Nov 2020
You can also use the 'stable' option in unique if you want to preserve the original order.
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