Department of Mathematics

Math 300: Mathematical Computing

Matlab Newton's Method

Recall that Newton's Method is an iterative way of approximating a zero of a function f. The idea is that, given a starting guess x0, we compute new estimates of the zero of f using the formula

xn+1 = xn - f(xn) / f'(xn)   n = 0, 1, ...

One uses this iteration until |xn+1-xn| or until we give up trying. Write a Matlab function newton(f,x0,tolerance) that finds the zero of a function using Newton's method.

Assignment 7 is posted.

A solution to the exam has been posted.

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