General Requirements

scqubits depends on the following Python open-source libraries:

Package	Version	Details
Python	3.7+	Version 3.7 and higher is supported.
NumPy	1.14.2+	Not tested on lower versions.
SciPy	1.1.0+	Not tested on lower versions.
Matplotlib	3.0.0+	Some plotting does not work on lower versions.
QuTiP	4.3+	Needed for composite Hilbert spaces.
Cython	0.28.5+	Required by QuTiP
tqdm	4.0+	Needed for display of progress bar
sympy	1.7.1+	Needed for custom circuit analysis

The following packages are optional:

Package	Version	Details
ipywidgets	7.5+	For use of the interactive explorer
h5py	2.10+	Needed for writing data to h5 file
pytest	5.3+	For running the test suite.
matplotlib-label-lines	0.3.6+	For smart labelling of matrix element plots
pathos		For multiprocessing

Warning

For Apple M1 machines with ARM64 architecture, scqubits is only compatible with SciPy < 1.7 and Python < 3.9, in addition to the requirements listed above. Please make sure compatible versions of these libraries are installed. Alternatively, user can create conda environments with x86 architecture, where the additional requirements does not apply.