Root Locus with asymptotes

Version 1.0.0 (1.67 KB) by Lazaros Moysis
Add asymptote lines in the root locus
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Updated 27 May 2025

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This function plots the root locus of a system 'sys' and also adds the asymptotes to the graph as black dashed lines. In case the asymptote is the x-axis, then the asymptote is not printed. This is done because in this case, part of the x-axis belongs to the root locus, and adding a dashed line on the x-axis will make the graph look crowded. If you do not like this, simply remove the if-control lines.
https://www.youtube.com/watch?v=Y4YPaPwoLA0
Lazaros Moysis
Youtube channel: https://www.youtube.com/@lazarosmoysis5095
RG: https://www.researchgate.net/profile/Lazaros-Moysis

Cite As

Lazaros Moysis (2026). Root Locus with asymptotes (https://nl.mathworks.com/matlabcentral/fileexchange/181190-root-locus-with-asymptotes), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2025a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0