Asked by billel madridi
on 16 May 2013

i meet this instruction when analyzing a matlab file could you help me what does it mean ?

yone=(y==i)+(y~=i)*-1;

when y is a column vector and i is fix number i=4;

what will be the size of yone in this case ?

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Answer by Walter Roberson
on 16 May 2013

A value of "1" where the entries are "i", and a value of "-1" where the entries are not "i", and 0 where the entries are NaN.

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