Hi everyone,
I try to solve a system of ODE by sage as follows
x,y,sigma,r,z,b,t=var('x,y,sigma,r,z,b,t')
sigma=10
b=8/3
r=10
x= function('x',t)
y= function('y',t)
z= function('z',t)
d1=(diff(x,t)-sigma*(y-x)==0)
d2=(diff(y,t)-r*x+y+x*z==0)
d3=(diff(z,t)-x*y+b*z==0)
sol=desolve_system([d1,d2,d3],[x,y,z],ics=[0,1,0],ivar=t);show(sol)
But I got the following error
TypeError: unable to make sense of Maxima expression
'x(t)=ilt((?g3817-10*laplace(x(t)*z(t),t,?g3817)+1)/(?g3817^2+11*?g3817-90),?g3817,t)'
in Sage
Any suggestion
Doaa
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