28-Jul-2021 19:24:53 nonlin_bisect_test(): MATLAB/Octave version 9.9.0.1467703 (R2020b) nonlin_bisect() is an interactive program to seek a root of an equation using bisection. Function = "x.^2 - 2*x - 15" a = 4.999999999999986, f(a) = -1.13687e-13 b = 5, f(b) = 0 Interval tolerance = 1.77636e-14 Number of bisections = 49 x = 4.999999999999993, f(x) = -5.68434e-14 Function = "cos(x) - x" a = 0.7390851332151591, f(a) = 2.55351e-15 b = 0.7390851332151609, f(b) = -4.44089e-16 Interval tolerance = 2.22045e-15 Number of bisections = 49 x = 0.73908513321516, f(x) = 1.11022e-15 Function = "kepler(x)" a = 3.790834555474767, f(a) = 3.33067e-14 b = 3.790834555474785, f(b) = -1.28786e-14 Interval tolerance = 2.22045e-14 Number of bisections = 49 x = 3.790834555474776, f(x) = 1.02141e-14 nonlin_bisect_test(): Normal end of execution. 28-Jul-2021 19:24:53