The Tutorials in this series are created in Xfig 3.2 on Mac OS/Windows/Linux. Xfig is an interactive drawing tool which runs under X Window System on most UNIX-compatible platforms. Read more
Foss : Xfig - English
Outline: Feedback diagram with Maths Open the .fig file saved in the feedback control tutorial Put $G(z) = \frac z{z-1}$ in the second block diagram Choose the special flag..