# Draw a bode and nyquist diagrams

1. Dec 24, 2008

### gimini75

I have a task to draw a bode and nyquist diagrams from an expirmential results by using MATLAB, I have the phase delay and the votage gain data (10 results for each), can you help me how to darw bode and nyquist diagrams in MATLAB and which command I can use?

thanks

2. Dec 24, 2008

### saltine

Re: Matlab

I think you only need to use "semilogx" plot for drawing the bode plot. To draw the nyquist plot you could use the magnitude and phase to get the complex coordinates, then plot them as usual using "plot".