S-I model using the improved Euler method

Improved Euler method in MATLAB for ODEs: solves systems, plots time series, encapsulates logic in a function for efficienc

The provided MATLAB code demonstrates the implementation of the Improved Euler method (also known as Heun's method) for numerically solving systems of ordinary differential equations (ODEs). This method offers a more accurate solution compared to the basic Euler method by considering the average of the slopes at the beginning and end of the interval.