Status: Accepted Owner: smichr Labels: Type-Defect Priority-Medium
New issue 1986 by smichr: cse eats derivatives http://code.google.com/p/sympy/issues/detail?id=1986
f(x).diff(x)+sqrt(1-f(x))+3/(1-f(x))
D(f(x), x) + (1 - f(x))**(1/2) + 3/(1 - f(x))
cse(_)
([(x0, f(x)), (x1, 1 - x0)], [x1**(1/2) + 3/x1]) When f(x) is replaced with x0, D(x0,x) -> 0 and is lost. -- You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send email to sympy-iss...@googlegroups.com. To unsubscribe from this group, send email to sympy-issues+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-issues?hl=en.