Questions tagged as 'sympy'

1
answer

AttributeError: 'Mul' object has no attribute 'eval'

I have a problem with this code, which calculates the eigenstates for the quantum harmonic oscillator and evaluates it in a given time. In turn, I try to plot all the state subplots for each value of n. But this error appears: for i in xx: reP...
asked by 30.09.2018 / 23:44
1
answer

Doubt about an error

I'm getting into the topic of derivatives in python but recently I'm having an inconvenience, it turns out that when I enter the function I get the following error:    NameError Traceback (most recent call last)   ---- > 3 equation = eval...
asked by 14.03.2018 / 04:30