Christopher K. Long, Crispin H. W. Barnes, and Normann Mertig

Online repositories

• GitHub: https://github.com/Christopher-K-Long/QuGrad
• GitLab (mirror): https://gitlab.com/Christopher-K-Long/QuGrad
• Zenodo (DOI): https://doi.org/10.5281/zenodo.17116721

README file

README

QuGrad

A Python package for quantum optimal control.

Installation

The python package can be installed with pip as follows:

pip install qugrad

If on Linux and using a conda environment you may encounter an error

version `GLIBCXX_...' not found

to fix this you also need to execute:

conda install -c conda-forge libstdcxx-ng

Requirements

Requires:

• PySTE (>= 1.1.0, < 2) (doi:10.5281/zenodo.17116431)
• TensorFlow (== 2.*)
• NumPy (>= 1.21, < 3)

Additional requirements for testing

• toml
• PyYAML

Documentation

Documentation, including worked examples can be found at: https://QuGrad.readthedocs.io

Source Code

Source code can be found at: https://github.com/Christopher-K-Long/QuGrad

A mirror can be found at: https://gitlab.com/Christopher-K-Long/QuGrad

Please submit all pull requests, issues, discussions, and vulnerability reports to the GitHub repository.

Releases from this repository are assigned DOIs and can be found at https://doi.org/10.5281/zenodo.17116721. The DOI for all releases is 10.5281/zenodo.17116721. Additionally, the releases are archived to https://archive.softwareheritage.org/swh:1:dir:842d13c2aaa42faf212ecd804f6ed151a65436cb.

Version and Changes

The current version is 1.1.0. Please see the Change Log for more details. QuGrad uses semantic versioning.

Link to original

Repository files

• README
• ChangeLog
• SECURITY
• LICENSE

Citation

Christopher K. Long, Crispin H. W. Barnes, and Normann Mertig. QuGrad, (Zenodo, 2025–2026), DOI: 10.5281/zenodo.17116721.

BibTeX

@software{long_2025_17393503,
    author       = {Long, Christopher K. and
                    Barnes, Crispin H. W. and
                    Mertig, Normann},
    title        = {QuGrad},
    license = {Apache-2.0},
    publisher    = {Zenodo},
    doi          = {10.5281/zenodo.17116721},
    url          = {https://doi.org/10.5281/zenodo.17116721},
    swhid        = {swh:1:dir:3f1463931c91d9d4c11a0e7c366fb8402802000f
                    ;origin=https://doi.org/10.5281/zenodo.17116721;vi
                    sit=swh:1:snp:df0b3bb73aaccaae9eb7312a2b4733da1ed5
                    e8f3;anchor=swh:1:rel:4c8267d6501632964bc880ff1651
                    67665ab8a81d;path=Christopher-K-Long-
                    QuGrad-8fcb2bf
                    },
}

Dependencies I authored

• PySTE  [1]

References