Sure. There may be one already, though, so search first. Aaron Meurer
On Mon, Dec 2, 2013 at 2:42 PM, Juan Luis Cano <[email protected]> wrote: > On Sunday, December 1, 2013 7:30:00 AM UTC+1, Aaron Meurer wrote: >> >> Actually, if we could get the integrals themselves to work, that would >> be even better. It would also be nice to get the correct convergence >> conditions (as I recall, you need f(x) to grow sufficiently slow for >> the integral to converge). > > > Thanks Aaron. Sadly I cannot help with this, but I wanted to make sure it's > on the horizon anyway. Should I file an issue to keep track of the feature > request? > > Regards > > Juan Luis > > >> >> >> Aaron Meurer >> >> On Sat, Nov 30, 2013 at 11:24 PM, Aaron Meurer <[email protected]> wrote: >> > Yes, we need to implement a table lookup for these kinds of rules. The >> > same applies to other integral transforms as well. >> > >> > Aaron Meurer >> > >> > On Sat, Nov 30, 2013 at 4:24 AM, Juan Luis Cano <[email protected]> >> > wrote: >> >> Hello all, >> >> >> >> I was playing with Laplace Transforms on SymPy and I was wondering if >> >> there's a way to make them work with undefined functions: >> >> >> >> In [2]: x = Function('x') >> >> >> >> In [3]: from sympy.abc import s >> >> >> >> In [4]: laplace_transform(x(t).diff(), t, s) >> >> Out[4]: LaplaceTransform(Derivative(x(t), t), t, s) >> >> >> >> I expected s * x(s). The inverse doesn't work either: >> >> >> >> In [5]: inverse_laplace_transform(s * x(s), s, t) >> >> Out[5]: InverseLaplaceTransform(s*x(s), s, t, _None) >> >> >> >> Looking at the source code I guess it's impossible to deduce these kind >> >> of >> >> properties by just attempting to do the Integral. Is there any other >> >> way? >> >> >> >> Thanks in advance >> >> >> >> Juan Luis Cano >> >> >> >> -- >> >> You received this message because you are subscribed to the Google >> >> Groups >> >> "sympy" group. >> >> To unsubscribe from this group and stop receiving emails from it, send >> >> an >> >> email to [email protected]. >> >> To post to this group, send email to [email protected]. >> >> Visit this group at http://groups.google.com/group/sympy. >> >> For more options, visit https://groups.google.com/groups/opt_out. > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/sympy. > For more options, visit https://groups.google.com/groups/opt_out. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.
