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mabuchilab / QNET

Computer algebra package for quantum mechanics and photonic quantum networks
https://qnet.readthedocs.io/
MIT License
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Incorrect result for product of sums #91

Closed goerz closed 5 years ago

goerz commented 5 years ago 
>>> from qnet import *
>>> i = IdxSym('i')
>>> hs_i = LocalSpace(StrLabel(i))
>>> Sum(i, 1, 10)(Destroy(hs=hs_i)) * Sum(i, 1, 10)(Create(hs=hs_i))
∑_{i,i'=1}^{10} â⁽ⁱ⁾ â^(i')†