Hi! I believe the sympy quantum code is currently not maintained, as the original authors don't have time for the project anymore.
On Friday, 28 August 2015 20:22:51 UTC+2, Matt Chan wrote: > > Hi Sympy-users, > > I'm trying to figure out if it's possible to evaluate an expression from > the quantum physics module. I'm fairly new at Sympy but I have some python > experience. I thought I would ask before I dived into the source code. > > Say for example I have something like the code in > examples/intermediate/coupled_cluster.py. It derives the energy and > amplitude equations in second quantization, but it needs to be solved. > > The energy equation after cleanup is here: > > E = AntiSymmetricTensor(f, (_k,), (_c,))*AntiSymmetricTensor(t, (_c,), > (_k,)) + AntiSymmetricTensor(t, (_c,), (_l,))*AntiSymmetricTensor(t, (_d,), > (_k,))*AntiSymmetricTensor(v, (_k, _l), (_d, _c))/2 > > Can I provide some values for AntiSymmetricTensor(t, (_c,), (_k,)) to be > substituted with evalf or lambdify? > > Thanks in advance for your help! > Matt > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/312bea79-533e-46bd-bdf6-26e1a92e2969%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
