Newton-Armijo code for scalar equations: Inputs: X = initial iterate, F = function, TOLA = absolute error tolerance, TOLR = relative error tolerance, JDIFF = 0, analytic derivative, syntax: [f,fp]=f(x), JDIFF = 1, forward difference derivative , Output: x=approximate result, HIST = array of iteration history-Newton-Armijo code for scalar equations:　 Inputs: X = initial iterate, F = function, TOLA = absolute error tolerance, TOLR = relative error tolerance, JDIFF = 0, analytic derivative,　　　　　　　　　　syntax: [f,fp]=f(x),　　 JDIFF = 1, forward difference derivative , Output: x=approximate result,　HIST = array of iteration history