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From: us on 19 Jun 2010 13:34
"Jean-Philip Dumont" <jean-philip.dumont(a)hec.ca> wrote in message <hviujd$f9m$1(a)fred.mathworks.com>...
> Hi,
>
> I'm doing a loop from "i"=0 to 0.5 with steps of 0.01. (0:0.01:0.5)
>
> For every "i", i'm putting the maximum likelihood value I calculated into a matrice. In order to have real indices, I multiply "i" by a hundred and add 1. (100*i+1). By doing this, I end up with indices of 1,2,3,4,.....,51 which is allowing me to put my values calculated in the right place.
>
> But something weard is happening while doing this really simple multiplication.
>
> when i=0.14, 100*0.14+1 it is giving me 15.0000 instead of just 15. Because of this, when the loop hits i=0.14, it gives me an error saying Subscript indices must be real. The same thing happens at the value i=28, 29 and 33 but nowhere else.
>
> Can someone help me on that and tell me why it does this?
>
> Thank you very much!

one of the most simple solutions
- add an index counter...

ix=0:.5*pi:pi;
r=nan(numel(ix),1);
ic=0;
for i=0:.1*pi:pi
ic=ic+1;
r(ic)=i;
end

us
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