This Python package is an exerimental fork and extension of the quantum module in SymPy. For a list of contributors to the SymPy quantum module, see this page. New features developed for SymPsi will be contributed upstream to the SymPy quantum module when mature and tested.
SymPsi requires a recent version of SymPy. To install SymPy (see also the SymPy installation instructions), run:
$ pip install sympy
The SymPsi package can be installed using:
$ pip install git+https://github.com/sympsi/sympsi.git
and to upgrade an existing installation, just add the --upgrade flag:
$ pip install --upgrade git+https://github.com/sympsi/sympsi.git