Feedback diagram with Maths - 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 Save and export it as combined tex and pdf Show that if "special" is not chosen, we get only text Change /frac into /dfrac Show that at the time of compilation, dfrac unknown error Include \usepackage{amsmath} in the tex file Recompile it and show that the equation is now coming properly Use pdfcrop to trim the pdf file, mention Briss