Program the secant method. Given initial guesses $p_0$ and $p_1,$ it computes, for $n2,$

$p_n=p_{n-1}-f(p_{n-1})\frac{p_{n-1}-p_{n-2}}{f(p_{n-1})-f(p_{n-2})}$

Your program should be in the form of a Matlab function, where the inputs are fun, p$0,$ p$1,$

maxiter, tol, where fun is a function handle for that evaluates $f$ at an input and p$0$ and p $1$

are the initial guesses; the program terminates when either the maximum number of iterations

reaches maxiter or when $|p_n-p_{n-1}|$ is less than or equal to tol.