MATLAB Answers

billel madridi

what dos this instruction mean

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 ?


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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1 Answer

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.

  1 Comment

Jan Simon
on 16 May 2013


yone = 2 * (y==i) - 1;

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