Performance optimization (allocation inside a for loop)

[James Sherman Jr.]

Its redundant as far as I know, but I always use it because I think it looks
more readable.

James

On Thu, Apr 2, 2009 at 11:58 AM, Elias Assmann <
elias.assmann at student.tugraz.at> wrote:

> Rob Mahurin wrote:
> > octave:29> tic; n = 1e5; retval = 1:n; toc
> > Elapsed time is 0.000756025 seconds.
> > octave:30> tic; n = 1e5; retval = (1:n)(1:n); toc
> > Elapsed time is 0.00757694 seconds.
> > octave:31> tic; n = 1e5; retval = [1:n]; toc
> > Elapsed time is 0.0125589 seconds.
>
> Can someone explain the difference between "1:n" and "[1:n]"?  I would
> normally write the brackets because I find that way clearer; does this
> mean "1:n" is actually the "preferred" way?
>
>        Elias
>
> --
> Wenn weniger mehr ist, ist nichts alles.
>
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