Newbie: empty matix returned when expecting initialization.

[Balakumar Swaminathan]

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];



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