Regula Falsi nethod

Regula Falsi method of finding roots
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Updated 10 Apr 2025

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Example : Using Regula-Falsi method, find the root of f(x) = x*x-4*sin(x)+1 = 0
Enter your function here : @(x) x*x-4*sin(x)+1
Enter the number of decimal places:7
Enter the 1st approximation: 1
Enter the 2nd approximation: 2
The Root is :
1.7192955
No of iteration : 27
Example : Using Regula-Falsi method, find the root of f(x) = x3 - x - 1 = 0.
Enter your function here : x^3-x-1
Enter the number of decimal places:9
Enter the 1st approximation: 1
Enter the 2nd approximation: 2
The Root is :
1.324717957
No of iteration : 56

Cite As

Langel Thangmawia (2026). Regula Falsi nethod (https://www.mathworks.com/matlabcentral/fileexchange/180746-regula-falsi-nethod), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2024b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0