Driven Coupled Oscillator Explorer

Examines analytic solutions for driven coupled oscillators exhibiting antiresonance.


Updated 13 Mar 2023

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A pair of coupled harmonic oscillators, one subject to an external harmonic force, exhibits a distorted resonance (an 'anti-resonance') similar to Fano resonances in wave systems. The driven oscillator amplitude can have a normal resonant response near its natural frequency but an anti-resonant response near the natural frequency of the 2nd oscillator and its motion be blocked. This script calculates the steady-state solution analytically and displays the effect. ‘Try this’ suggestions are included for further exploration. The script may interest students and instructors in physics and engineering.

Cite As

Duncan Carlsmith (2023). Driven Coupled Oscillator Explorer (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022b
Compatible with any release
Platform Compatibility
Windows macOS Linux

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