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Python package for interacting with the Fortran QDYN library and tools

Project description


Source code on Github qdynpylib on the Python Package Index Travis Continuous Integration Coveralls Documentation Status BSD License

Python package for interacting with the Fortran QDYN library and tools. Its purpose is to:

  • generate config files and input data for QDYN
  • read data generated by QDYN routines
  • provide tools for debugging, testing, and documenting QDYN
  • wrap QDYN’s “utility” programs like qdyn_prop_traj and qdyn_optimize
  • provide interoperability of QDYN with other optimal control and quantum packages like scipy.optimize, qutip and krotov.

The package is not a direct wrapper around QDYN that would allow to call QDYN Fortran routines from Python.

Development of QDYN-pylib happens on Github. You can read the full documentation at ReadTheDocs.


To install the latest released version of QDYN-pylib, run this command in your terminal:

$ pip install qdyn

This is the preferred method to install QDYN-pylib, as it will always install the most recent stable release.

If you don’t have pip installed, the Python installation guide, respectively the Python Packaging User Guide can guide you through the process.

To install the latest development version of QDYN-pylib from Github.

$ pip install git+


To use QDYN-pylib in a project:

import qdyn


0.4.0 (2019-04-19)

  • Extensive restructuring of the package
  • QDYN-pylib must now be imported as import qdyn, not import QDYN.
  • Remove obsolete routines that are better implemented in qutip, krotov, and weylchamber.
  • Drop support for Python 2.
  • Add support for Python 3.7.
  • Change license to BSD
  • Improvements on Pulse and AnalyticalPulse
  • Improved I/O routines

Earlier versions

  • 0.3.0: 2017-04-09 (2019-04-18 on PyPI)
  • 0.2.2: 2016-08-15
  • 0.2.1: 2016-08-07
  • 0.2.0: 2016-08-07
  • 0.1.6: 2015-09-26
  • 0.1.5: 2015-09-26
  • 0.1.4: 2015-08-31
  • 0.1.3: 2015-08-23
  • 0.1.2: 2015-07-30
  • 0.1.1: 2015-06-03
  • 0.1.0: 2015-04-21

Project details

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