Function for Script. I need to write a Function that selects the positive and negative numbers from a matrix. How to write this?
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I need to write a Function that selects the positive and negative numbers from a matrix. How to write this?
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dpb
on 21 Jan 2015
function [p,n]=splitsigns(x)
% return positive/negative values from array x in vectors p/n, respectively
p=x(x>0);
n=x(x<0);
This one excludes 0; pick where you want those if do...
7 Comments
dpb
on 22 Jan 2015
Read the help files on functions, but in general yes. Other than I'd say that p=x(x>0); and n=x(x<0); are expressions, not variables. There are no strictly local variables in those functions, only the input/output arguments (which are, of course variables just not local).
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