Substitute matrix values without mchange

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Brian
Brian 2014-12-9
评论： Brian 2014-12-11
I am using some code to substitute values without the symbolic toolbox. The code follows.
  1. 1: B=A(A>2)
  2. 2: T=zeros(size(A)
  3. 3: mask=A>2
  4. 4: T(mask)=A(mask)
A represents an absolute value matrix. The lines of code remove any value less than 2. We want to modify code so that it instead removes anything greater than 2 AND anything less than -2.

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Guillaume
Guillaume 2014-12-9
Not sure what this has got to do with the symbolic toolbox. It's basic matlab.
Anything greater than 2 and anything less than 2 is anything not equal to 2, so:
T = A;
T(T~= 2) = 0;

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