Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This is cute;)
This is what the question really want.
Of course you could use a differential equation to find the point relection,
but that is not an algorithm.