Hi! I’m MOTOHICO.
This time, I will explain how to solve the simple pendulum equation of motion using Lagrange’s equation.
Lagrange’s equation is very easy to solve, but you need to get used to it.
It is summarized in the following pdf file.
If you are interested in the contents, please purchase it.
You can buy the pdf file by 200 yen (Japanese currency).
Credit card is available.
As a special note, unauthorized duplication of the pdf file is prohibited.