On Wednesday 11 May 2005 17:14, Richard Fateman wrote:
> You probably want to define an expression
> functionbody: phi1(xi)*V1*diff(phi1(xi)*A(xi,t),xi);
> which evaluates the derivative, puts in the body of phi1 and A() etc.
> and then
> Ai11(xi):=''functionbody;
> {that's two ' marks there.)
> At least that's my guess, after looking at this for 60 seconds.
Yes, this works. However, you've exceeded by knowledge base. I understand the
idea of this
(%i11) 'diff(1/sqrt(1+x^3),x);
(%o11) d/dx(1/sqrt(x^3+1))
but '' ? I haven't found anything in the Maximabook yet.
Regards,
Angus