Re: [sage-support] Re: Bessel Contour Plot problem

2011-10-21 Thread D. S. McNeil
Hi! I'm not sure what you mean by Also if I have the terms, and return on separate lines in the definition then I get this error. You _have_ to have the different statements on separate lines, like I did. (Unless you use a semicolon to separate the statements, I suppose.) Did you combine

Re: [sage-support] Re: Bessel Contour Plot problem

2011-10-20 Thread D. S. McNeil
def f(y,t): return (1+(bessel_J(0, gro)/bessel_J(2, gro)))*(r/ kro)*(bessel_J(1, r)/bessel_J(1,gro))*z.cos()-(bessel_J(0,r)/ bessel_J(2, gro))*(r**2/kro**2) if t != 0 else infinity A few things: (1) Your arguments to this function are y and t, but inside you use r and z. r and z are still