> Is the problem explained in text anywhere? Not very well. There are some snippets: "to keep the pieces as similar as possible" "The Jacobian r dr dθ gives

> Is the problem explained in text anywhere? Not very well. There are some snippets: "to keep the pieces as similar as possible" "The Jacobian r dr dθ gives a measure of how big the infinitely small pieces are relative to each other" "The variance is a good measure of the uniformity of the pieces."