Modified Secant Method for Finding Roots of Equation

by admin in , , on April 10, 2019

Rather than using two arbitrary values to estimate the derivative as in secant method, an alternative approach involves a fractional perturbation of the independent variable to estimate f ‘(x):

Where delta = a small perturbation fraction. This approximation can be substituted in the Secant formula to yield:

The example used in this code:

The code shows the root value and the plot of the value-update with number of iterations.

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  • Released

    April 10, 2019

  • Last Updated

    May 29, 2019

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