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Re: I need optimized way to get classes
Posted:
Jun 2, 2012 8:04 AM
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because i may use part of data
ppp=p(M:end,:); where M is index in matrix
"Nasser M. Abbasi" <nma@12000.org> wrote in message <jqcq1a$lpd$1@speranza.aioe.org>...
> On 6/2/2012 5:23 AM, besbesmany besbesmany wrote:
> > sorry
> > ppp=p(1:end,:);
>
> But, again, why not just write
>
> ppp = p
>
> What is the difference between p(1:end,:) and just p ?
>
> >
> > "Nasser M. Abbasi"<nma@12000.org> wrote in message<jqco9g$ht2$1@speranza.aioe.org>...
> >> On 6/2/2012 4:25 AM, besbesmany besbesmany wrote:
> >>
> >>> p = [0.8 0.1 0.1; 0.7 0.1 0.2; 0.2 0.3 0.5]
> >> ...
> >>> the following code:
> >>>
> >>> ppp=P(1:end,:);
> >>
> >> How is the above different from just writing
> >>
> >> ppp=P;
> >>
> >> ?
> >>
> >> (btw, Matlab is case sensitive, you wrote 'P' above, when you should
> >> it as 'p' before. The case is different !)
> >>
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