Implement the modified zeroin algorithm in "A modified Brents method for finding zeros of functions", by G. Wilkins and M. Gu, inNumerische Mathematik, vol. 123, 2013. You should turn in a .m file...

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Implement the modified zeroin algorithm in "A modified Brents method for finding zeros of functions", by G. Wilkins and M. Gu, inNumerische Mathematik, vol. 123, 2013. You should turn in a .m file modifiedbrentxxx.m which contains a matlab function of the form function [root,info] = modifiedbrentxxx(@func,Int,params) where xxx is your student id. On input, func is a function handle, Int is the initial interval, [Int.a,Int.b], containing a root, and params is an object that contains at least three fields params.root_tol, params.func_tol and params.maxit. Your algorithm should terminate once the interval containing the root is at most params.root_tol in length, or the function value at the current iterate is at most params.func_tol in absolute value. On output, root is the computed root, and info should have at least one field info.flag, which is 0 for a successful execution, and 1 otherwise. Your program can not use the matlab built-in function fzero. It will be tested against a few functions of our choice, against the following criteria: 1. (60 points) A zero is found within given tolerances for each function tested. 2. (40 points) One zero is found within the right number of function calls for each function tested. Your program will receive 0 points if the string fzero, case in-sensitive, shows up anywhere in your .m file.
Answered 179 days AfterNov 06, 2021

Answer To: Implement the modified zeroin algorithm in "A modified Brents method for finding zeros of...

Robert answered on May 05 2022
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