Wright State University Lake Campus/2020-1/Intro to imaginary numbers
Students have trouble appreciating the square root of minus 1, or
For this introduction, all you need is the following ideas:
Derivative of a polyomial
editNewton's law for an ideal spring
editThe first step in understanding the solution to this is to imagine that k=m=1:
What function of time is the negative of it's own derivative?
The following infinite series famously equals it's own second derivative:
See