topic Polar Plots and Nyquist Plots in Mathcad https://community.ptc.com/t5/Mathcad/Polar-Plots-and-Nyquist-Plots/m-p/450556#M176345 <HTML><HEAD></HEAD><BODY><P><STRONG>Description:</STRONG></P><P>Constructs polar plots and Nyquist stability plots for system functions, and examines how the plots can be used to design stable systems.&nbsp; The polar plot example includes the method for drawing a contour of constant closed-loop magnitude.&nbsp; The Nyquist plot example shows a transfer function with one pole on the imaginary axis.</P></BODY></HTML> Thu, 03 May 2018 16:49:53 GMT ptc-5133430 2018-05-03T16:49:53Z Polar Plots and Nyquist Plots https://community.ptc.com/t5/Mathcad/Polar-Plots-and-Nyquist-Plots/m-p/450556#M176345 Description:Constructs polar plots and Nyquist stability plots for system functions, and examines how the plots can be used to design stable systems.&nbsp; The polar plot example includes the method for drawing a contour of constant closed-loop magnitude.&nbsp; The Nyquist plot example shows Thu, 03 May 2018 16:49:53 GMT https://community.ptc.com/t5/Mathcad/Polar-Plots-and-Nyquist-Plots/m-p/450556#M176345 ptc-5133430 2018-05-03T16:49:53Z Re: Polar Plots and Nyquist Plots https://community.ptc.com/t5/Mathcad/Polar-Plots-and-Nyquist-Plots/m-p/717735#M194792 <P>Thanks man. I'm doing this as well but your file defo helps. I used the chart app instead of X-Y plots. Have a look.</P> Tue, 09 Mar 2021 23:28:21 GMT https://community.ptc.com/t5/Mathcad/Polar-Plots-and-Nyquist-Plots/m-p/717735#M194792 AS_9824434 2021-03-09T23:28:21Z