.. _nonlinear-systems: *********************************************** Nonlinear System Modeling, Analysis, and Design *********************************************** The Python Control Systems Library contains a variety of tools for modeling, analyzing, and designing nonlinear feedback systems, including support for simulation and optimization. This chapter describes the primary functionality available, both in the core python-control package and in specialized modules and subpackages. .. include:: nlsys.rst .. include:: phaseplot.rst .. include:: optimal.rst .. include:: descfcn.rst .. include:: flatsys.rst