>> [root,value,steps,A] = secant(-5,10^(-8)); steps = 1 f = -144 steps = 2 f = -41.9825 steps = 3 f = -20.2559 steps = 4 f = -7.8796 steps = 5 f = -3.1583 steps = 6 f = -1.1060 steps = 7 f = -0.3124 steps = 8 f = -0.0539 steps = 9 f = -0.0036 steps = 10 f = -4.7756e-05 steps = 11 f = -4.3321e-08 steps = 12 f = -5.1692e-13 >> format long >> root root = -1 >> value value = -5.169198402655397e-13 >> quit 125 flops.