> f(z) = (z − 1)/(z + 1) Also known as the Bilinear Transform https://en.wikipedia.org/wiki/Bilinear_transform https://en.wikipedia.org/wiki/Bilinear_transform

> f(z) = (z − 1)/(z + 1) Also known as the Bilinear Transform https://en.wikipedia.org/wiki/Bilinear_transform https://en.wikipedia.org/wiki/Bilinear_transform Used for mapping between s-plane and z-plane when discretising using the trapezoidal rule.