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Question: phase transition (3d)

Question: phase transition (3d)

adel-00 135 Maple
plot deplot3d
March 29 2017
0

HI,

I would like to plot the ODE system in phase transition (3d)

I try this

var:={x1(t),x2(t),x3(t)}:
dsys:={diff(x1(t),t)=x1(t), diff(x2(t),t)=x2(t), diff(x3(t),t)=x3(t)};
   / d                  d                  d               \ 
  { --- x1(t) = x1(t), --- x2(t) = x2(t), --- x3(t) = x3(t) }
   \ dt                 dt                 dt              / 
res:=dsolve(dsys);
  {x1(t) = _C3 exp(t), x2(t) = _C2 exp(t), x3(t) = _C1 exp(t)}
plot3d(res,x1(t)=0..1,x2(t)=0..1,axes=boxed,font=[1,1,18],view=[0..0.6,0..1,-5..0]);

 
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