Computational Physics, Downloads, General, Lectures, MATLAB, Physics Programs (MATLAB): Computational Physics August 9, 2010 Muhammad Saeed Leave a comment GUI Based: Solution of Nonlinear Equations using Matlab. All the following zipped programs are interactive GUI-based. BisectionGUI RegulaFalsiGUI SecantGUI NewtonGUI FixedPointIterationGUI Non-GUI: Interpolation and Curve Fitting CubicSpline