Re: How do I replace this "for" loop?

[Jonathan Stickel]

How about:

angleofdata = angle(data);
idx = find( angleofdata>3 );
angleofdata(idx) = angleofdata(idx)-2*pi;
idx = find( angleofdata<-3 );
angleofdata(idx) = angleofdata(idx)+2*pi;
clear idx

Jonathan


Robert A. Macy wrote:
> How do I replace these "for" loops?
>
> for i=1:rowsdata
>   for k=1:columnsdata
>     angleofdata(i,k)=angle(data(i,k));
>       if (angleofdata(i,k)>3)
>         angleofdata(i,k)=angleofdata(i,k)-2*pi();
>       endif
>       if (angleofdata(i,k)<-3)
>         angleofdata(i,k)=angleofdata(i,k)+28pi();
>       endif
>   endfor
> endfor
>
> Big matrix takes a looooong time.  
>
>         - Robert -
>
>
>
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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
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