File: lorenz2.dem

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kp=xget("pixmap");
// Copyright INRIA
dr=driver()
driver('X11')
if kp==0, xset("pixmap",1);end;

m=228;
n = fix(3/8*m);
r = [(1:n)'/n; ones(m-n,1)];
g = [zeros(n,1); (1:n)'/n; ones(m-2*n,1)];
b = [zeros(2*n,1); (1:m-2*n)'/(m-2*n)];
h = [r g b];
r1=[(1:m)'/m];g1=zeros(r1);b1=g1;
h1=[r1 g1 b1];
h2=[r1 r1 r1];
xset('colormap',h);

lpat=xget("lastpattern");
wid=30
N=2000;
Max_v=50;
t=linspace(0,Max_v,N*wid);
y=ode(1.e-8*[1;1;1],0,t,'loren'); 
ds=xget("dashes");
param3d(y(1,:),y(2,:),y(3,:),60,45,'X@Y@Z',[2,4]);
xset('wwpc');
y1=y(1,:);y1=matrix(y1,wid,N);
y2=y(2,:);y2=matrix(y2,wid,N);
y3=y(3,:);y3=matrix(y3,wid,N);
clear y;
for i=1:N,
	param3d1(y1(:,i),y2(:,i),list(y3(:,i),lpat*i/N),60,45,...
	'X@Y@Z',[0,0]);
	xset("wshow");
end
if kp==0, xset("pixmap",0);end;
driver(dr)
xset('default')