Hello Aaron,
First of all, thanks for your answer. As you suggested, here I bring a
piece of code with one of the problematic equations (see Section PIECE OF
CODE). As a result of certain computation, I get "equ_laplace" in the
Laplace domain, then, when I try to move it to the Time domain the output
is not a conventional equation (see Section OUTPUT). I have try either
force " sym.inverse_laplace_transform()" not to use Meijerg to compute the
solution or, reshape the Meijerg output to a conventional equation but with
not success yet, unfortunately.
##### PIECE OF CODE ############
import sympy as sym
s = sym.Symbol('s')
t = sym.Symbol('t', positive=True)
# Equation in the Laplace domain
equ_laplace = 470.0*s**2/(1.0*s**4 + 18.7*s**3 + 17.9*s**2 + 4.68*s + 0.131)
# Moving to the Time domain
equ_time = sym.inverse_laplace_transform(equ_laplace, s, t)
print("equ_time =", equ_time)
##############################
#### OUTPUT #################
equ_time = 470.0*meijerg(((-16.7038273656911, 0, 0, 0.968289766789687,
0.517768799450727 - 0.0283089619304889*I, 0.517768799450727 +
0.0283089619304889*I), ()), ((), (-17.7038273656911, -0.031710233210313, 1,
1, -0.482231200549273 - 0.0283089619304889*I, -0.482231200549273 +
0.0283089619304889*I)), exp(t))
##############################
Thank you for your time,
Javier
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