Matlab Bode Plot Tutorial: Combining Two Plots

[nb89]

Im trying to plot two bode plots on one graph. Can anyone help?

 

[shoehorn]

Plot one of the bode plots. Then type

hold on

to instruct any further plots to draw in the same figure. Finally, plot your other Bode plot.

 

[nb89]

Plot one of the bode plots. Then type

hold on

to instruct any further plots to draw in the same figure. Finally, plot your other Bode plot.

thank you!

 

[nbo10]

Don't forget to turn hold off.

 

[blue_raver22]

Sure, I would be happy to help you with plotting two bode plots on one graph using Matlab. First, make sure to have the Control System Toolbox installed in your Matlab environment. Then, follow these steps:

1. Define your two transfer functions, let's call them G1 and G2. You can either enter them manually or use the "tf" command to create them from numerator and denominator coefficients.

2. Use the "bode" command to generate the bode plots for G1 and G2 separately. This will create two figures, one for each plot.

3. To combine the two plots, use the "hold on" command before plotting the second bode plot. This will prevent the first plot from being overwritten.

4. You can also use the "legend" command to label each plot accordingly. For example, "legend('G1', 'G2')" will label the first plot as G1 and the second plot as G2.

5. Finally, use the "grid on" command to add a grid to the plot for better visualization.

I hope this helps with your bode plot tutorial and you are able to successfully combine the two plots on one graph using Matlab. If you encounter any further issues, please don't hesitate to reach out for assistance. Happy plotting!