[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Newbie: empty matix returned when expecting initialization.
From: |
Roberto Lopez |
Subject: |
Re: Newbie: empty matix returned when expecting initialization. |
Date: |
Wed, 05 Dec 2001 09:11:06 +0000 |
Balakumar Swaminathan wrote:
>
> Hi,
>
> When I have the following listing in a file and invoke it, the "zm2"
> matrix remains an empty matrix; i cant figure out why. Any help is
> appreciated.
>
> Thanks.
>
>
> l=0.25;
> a=0.005;
> N=50;
> x1=-.906179845938664;
> x2=-.538469310105683;
> x3=0;
> x4=-x1;
> x5=-x2;
> w1=.236926885056189;
> w2=.478628670499366;
> w3=.568888888888889;
> w4=w1;
> w5=w2;
> ka=2*pi*a;
> kl=2*pi*l;
> klt=2*pi*l;
> zn=-kl/2:kl/N:kl/2;
> zm1=-(kl/2)+kl/(2*N):kl/N:-kl/(2*N);
> zm2=kl/(2*N):kl/N:((kl/2)-(kl/2*N));
> zm=[zm1,0,zm2];
$ zm2
zm2 =
Empty matrix: 1-by-0
$ kl/(2*N)
ans =
0.0157
$ kl/N
ans =
0.0314
$ ((kl/2)-(kl/2*N))
ans =
-38.4845
$
---- Regresive count with positive increment
--
Roberto Lopez Lopez I love this game!
Optical Engineer, Technology Division Tel#: +34 922 605200
Instituto de Astrofisica de Canarias Fax#: +34 922 605210
38200 - La Laguna address@hidden
Tenerife, SPAIN http://www.iac.es
-------------------------------------------------------------
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
-------------------------------------------------------------