Algorithm Bisection Method


1. Start

2. Read x1, x2, e
*Here x1 and x2 are initial guesses
e is the absolute error i.e. the desired degree of accuracy*

3. Compute: f1= f(x1) and f2=f(x2)

4. If (f1*f2) <0, then display initial guesses are wrong and goto 11
Otherwise continue.

5. x=(x1+x2)/2

6. If |(x1-x2)/x|<e), then display x and goto (11)
*Here || refers to the modulus*

7.  Else, f=f(x)

8. If ((f*f1)>0, then x1=x and f1=f

9. Else, x2=x and f2=f

10. Goto 5
* Now the loop continues with new values*

11. Stop

Flow Chart:

Flow chart of Bisection method and algorithm


PhD researcher at Friedrich-Schiller University Jena, Germany. I'm a physicist specializing in theoretical, computational and experimental condensed matter physics. I like to develop Physics related apps and softwares from time to time. Can code in most of the popular languages. Like to share my knowledge in Physics and applications using this Blog and a YouTube channel.
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