File: lorenz.dem

package info (click to toggle)
scilab 2.6-4
  • links: PTS
  • area: non-free
  • in suites: woody
  • size: 54,632 kB
  • ctags: 40,267
  • sloc: ansic: 267,851; fortran: 166,549; sh: 10,005; makefile: 4,119; tcl: 1,070; cpp: 233; csh: 143; asm: 135; perl: 130; java: 39
file content (14 lines) | stat: -rw-r--r-- 337 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
deff('[ydot]=lorenz(t,y)',...
// Copyright INRIA
"x=y(1);...
a=[-10,10,0;28,-1,-x;0,x,-8/3];...
ydot=a*y")
deff('[j]=jacobian(t,y)',...
"x=y(1);yy=y(2);z=y(3);...
j=[-10,10,0;28-z,-1,-x;-yy,x,-8/3]")
y0=[-3;-6;12];t0=0;step=0.01;t1=10;
instants=t0:step:t1;
y=ode(y0,t0,instants,lorenz,jacobian);
xbasc(0);param3d(y(1,:),y(2,:),y(3,:))