If crawling the web, ingesting copyrighted content, and ranking them is not a derivative work for that content, then using them to change the values of a mathematical expression should also exempt the expression from being a derivative work.

> Does copyright law say you can ingest copyrighted work at very large scale and sell derivates of those works

In that case the OP should have never posed this irrelevant question because access to the expression isn't giving access to a derivative work.