1) Function file
function root=mysecant(fun,x0,x1,es,max_it)
for i=1:max_it
x=x1-((fun(x1)*(x1-x0))/(fun(x1)-fun(x0)));
error=abs((x-x1));
if error<=es
root=x;
break;
end
x0=x1;
x1=x;
end
2) Script
clc;clear all;
fun=@(x) x^3-6*x^2+11*x-6.1;
x0=2.5;
x1=3.5;
es=1e-5;
max_it=100;
root=mysecant(fun,x0,x1,es,max_it)
You are given the following function () 6a +11 6.1 You are to find the roots of this function using the secant method with z 2.5-and zi = 3.5 1.(6 points) Develop a function m-file that calculate...
____________ % This function is a modified versio of the newtmult function obtained % from % “Applied Numerical Methods with MATLAB, Chapra, % 3rd edition, 2012, McGraw-Hill.” function [x,f,ea,iter]=newtmult(func,x0,es,maxit,varargin) % newtmult: Newton-Raphson root zeroes nonlinear systems % [x,f,ea,iter]=newtmult(f,J,x0,es,maxit,p1,p2,...): % uses the Newton-Raphson method to find the roots of % a system of nonlinear equations % input: % f = the passed function % J = the passed jacobian % x0 = initial guess % es = desired percent relative error...
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