Simulation of root locus and effect of adding pole and zero

Version 9.7.0 (985 KB) by Ravindra Munje
This experiment is on simulation of root locus and effect of addition of a pole and a zero, and comparison of step responses of the systems
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Updated 10 Sep 2025

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Title: Sketch Root Locus for a given system and verify results using MATLAB
Learning Outcomes: After the successful completion of this experiment, students will be able to
  1. Sketch the Root Locus for a given system and verify the results using MATLAB.
  2. Analyze the effect of the addition of poles and zeros on the root locus based on time domain specifications.
Aim: The aims of the experiment are to
  1. Sketch the root locus for a given system using the analytical method and check the result using simulation.
  2. Obtain the step response for K=1 and note down the time domain specifications.
  3. Add a pole at a desired location and observe a change in the time domain specifications, and repeat the process for the addition of a zero by removing the pole.

Cite As

Ravindra Munje (2025). Simulation of root locus and effect of adding pole and zero (https://uk.mathworks.com/matlabcentral/fileexchange/181995-simulation-of-root-locus-and-effect-of-adding-pole-and-zero), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2019b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
9.7.0