Metadata-Version: 2.1
Name: yaltapy
Version: 1.0.0
Summary: Python module for the study analysis of (fractional) delayed systems given by their transfer function.
Author: Hugo Cavalera
Author-email: Catherine Bonnet <catherine.bonnet@inria.fr>, Guilherme Mazanti <guilherme.mazanti@inria.fr>
License: GNU General Public License v3 (GPLv3)
Project-URL: Homepage, https://project.inria.fr/yalta/
Project-URL: Source, https://gitlab.inria.fr/disco/yaltapy-public
Project-URL: Bug Tracker, https://gitlab.inria.fr/disco/yaltapy-public/-/issues
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: License :: OSI Approved :: GNU General Public License v3 (GPLv3)
Classifier: Operating System :: OS Independent
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Science/Research
Classifier: Topic :: Scientific/Engineering
Classifier: Topic :: Scientific/Engineering :: Mathematics
Requires-Python: >=3.7
Description-Content-Type: text/markdown
Requires-Dist: control (>=0.8.4)
Requires-Dist: matplotlib (>=3.0.0)
Requires-Dist: numpy (>=1.20.1)
Requires-Dist: scipy (>=1.6.0)

YALTAPy is a Python toolbox dedicated to the stability analysis of (possibly fractional) delay systems with commensurate delays given by their transfer function.

The questions YALTA and YALTAPy can answer are:

- In the case of neutral systems
    - Find the position of asymptotic axes.
    - If the imaginary axis is asymptotic axis, find if the asymptotic poles of the chain are left or right the imaginary axis.
- In the case of retarded systems or of neutral systems with asymptotic axes in {Re(s) < 0}, find:
    - For a given delay, the number and the position of unstable poles.
    - For which values of the delay the system is stable.
    - For a set of values of the delay, the position of unstable poles (root locus).
    - Find (for non fractional systems) the coprime factors (N, D) of the transfer function as well as an approximation (N<sub>n</sub>, D<sub>n</sub>) in H<sub>∞</sub>-norm
