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
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