Perhaps he's also asking for some interpolating curve, see my sibling comment. You can step through the numerical program to see how the shape converges: https

Perhaps he's also asking for some interpolating curve, see my sibling comment. You can step through the numerical program to see how the shape converges: https://www.desmos.com/calculator/qihibrk95g https://www.desmos.com/calculator/qihibrk95g