1-4 Solution - Introduction - Coursera
https://www.coursera.org/lecture/ordinary-differential-equations/1-4...18.06.2018 · Differential equation contains some unknown function, so we are expected to find it, okay? Or in other words, we are expected to solve it, okay, for the solution. Any function phi(x) is a solution, okay, of differential equation for, right, this ordinary differential equation of order n, …