Problem

Write procedure Secant( f, x1, x2, epsi, delta, maxf, x, ierr) which uses the...

Write

procedure Secant( f, x1, x2, epsi, delta, maxf, x, ierr)

which uses the secant method to solve f (x) = 0. The input parameters are as follows: f is the name of the given function; x1 and x2 are the initial estimates of the solution; epsi is a positive tolerance such that the iteration stops if the difference between two consecutive iterates is smaller than this value; delta is a positive tolerance such that the iteration stops if a function value is smaller in magnitude than this value; and maxf is a positive integer bounding the number of evaluations of the function allowed. The output parameters are as follows: x is the final estimate of the solution, and ierr is an integer error flag that indicates whether a tolerance test was violated. Test this routine using the function of Computer Exercise 3.3.1. Print the final estimate of the solution and the value of the function at this point.

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