The Fixed Point Method is applied to a given function.
Convergence conditions are as followed:
f(xa)=0 (=) xa=g(xa) => xa[n+1]=g(xn), n=0,1,..
|e(xk)| <= L^k/(1-L)*|x1-xo|
Choice for inicial aproximation x0:
x0 = middle point of [a,b] = (a+b)/2
T. R. (2021). Fixed Point Method (https://www.mathworks.com/matlabcentral/fileexchange/28224-fixed-point-method), MATLAB Central File Exchange. Retrieved .
Inspired: Numerical Methods
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