bosonic | Library for fast computations
kandi X-RAY | bosonic Summary
kandi X-RAY | bosonic Summary
Bosonic is a library developed for the simulation of photonic systems whose inputs are indistinguishable bosons (in the case of the authors' interest, photons). In particular, it focuses on the rapid computation of the multi-particle transfer functions for these systems and supports computation of the gradient of a cost function with respect to the system parameters. It was originally developed for the devleopment of our Quantum Optical Neural Networks [1] and contains specialized functionality for their simulation and optimization.
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Top functions reviewed by kandi - BETA
- Build a linear system function
- Builds a nonlinear layer
- Exponent of x
- Build clements layer
- Build the constant nonlinear layer
- R Apply a density loss to a density matrix
- Expand a density expansion for expansion
- Get the expansion map for a given basis basis
- R Compute the loss function
- Applies the rho function to the rho
- Compute the qd loss for a loss matrix
- Get the qd mode pairs for a given basis
- Build 2d symmetric matrix
- Build a symmetric symmetric symmetric symmetric symmetric matrix
- Build the symmetric symmetric symmetric matrix
- Random variates
- Builds a matrix from a given basis matrix
- Computes the variance of the non - linzer op
- Builds a matrix from a given matrix
- Builds clements layer
- Find a meta tag
- Generate the Jacobian matrix
- Read a file
bosonic Key Features
bosonic Examples and Code Snippets
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QUESTION
I would like to simplify expressions involving boson commutators using sympy. The problem is that, using secondquant in sympy, the numerical values of the bosonic commutator [b_0,b^\dagger_0]=1 and [b_0,b^\dagger_1]=0 is never substituted to the symbolic expression. In other words, I would like SymPy to know about the commutator identity.
The following code
...ANSWER
Answered 2018-Nov-12 at 21:18The problem is caused by
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