[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: Very slow reading of a 2D matirx
From: |
Alireza |
Subject: |
RE: Very slow reading of a 2D matirx |
Date: |
Wed, 19 Oct 2005 22:37:49 -0500 |
This is my mistake. Still having x=zeros(180,180) does not help with
speeding things up.
> -----Original Message-----
> From: Mike Miller [mailto:address@hidden
> Sent: Thursday, 20 October 2005 1:27 PM
> To: Bill Denney
> Cc: Alireza; address@hidden
> Subject: Re: Very slow reading of a 2D matirx
>
>
> On Wed, 19 Oct 2005, Bill Denney wrote:
>
> > Also, you invoked zero as:
> >
> > x=zeros(1:180,1:180);
> >
> > With that invocation, you're creating a 360 dimensional matrix with the
> > dimensions 1x2x3x...x180x1x2x3x...x180. You meant to call it as
>
>
> I also noticed he had done that, but on Octave 2.1.71, this is what I get:
>
> octave:32> x=zeros(1:180,1:180);
> octave:33> size(x)
> ans =
>
> 1 1
>
> octave:34> x
> x = 0
>
> So I don't see a lot of dimensions. Same with an old Octave version.
>
> Mike
-------------------------------------------------------------
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
-------------------------------------------------------------
- Very slow reading of a 2D matirx, Alireza, 2005/10/19
- Re: Very slow reading of a 2D matirx, Bill Denney, 2005/10/19
- Re: Very slow reading of a 2D matirx, Henry F. Mollet, 2005/10/19
- Re: Very slow reading of a 2D matirx, Henry F. Mollet, 2005/10/20
- Re: Very slow reading of a 2D matirx, Mike Miller, 2005/10/20
- RE: Very slow reading of a 2D matirx, Alireza, 2005/10/20