Fast Relaxed Vector Fitting implementation for Python. vectfit3.py module for python projects
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Updated
Oct 14, 2025 - Python
Fast Relaxed Vector Fitting implementation for Python. vectfit3.py module for python projects
Fast Relaxed Vector Fitting Implementation in C++
Python implementation of the fast relaxed vectorfitting algorithm for MIMO frequency domain data
Vector Fitting is an algorithm used to approximate frequency-domain responses with rational functions. It is based on pole relocation through a least-squares fitting process, ensuring stable and accurate approximations. This repo contains an implementation of the VF algorithm, inspired by the original vectfit3.m MATLAB script by Bjørn Gustavsen.
This repository contains the function "fitss" for state-space model of black-box Voltage Source Converters for application in small-signal stability analysis in modern power-systems.
Files for paper: "Multimode Power Oscillation Damping Controller Synthesis using Vector Fitting".
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