Bode plot with asymptotes

Bode plot with asymptotes

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The function asymp() corresponds to bode(), but it also plots asymptotes for the magnitude and phase graphs. Phase asymptotes are only horizontal and vertical.
asymp() only accepts SISO transfer functions.
If the transfer function also has a time delay, the time delay is ignored
for the phase asymptotes.
asymp() may be called in two ways only, asymp(h), or asymp(h,wmin,wmax).

Cite As

Trond Andresen (2026). Bode plot with asymptotes (https://ch.mathworks.com/matlabcentral/fileexchange/10183-bode-plot-with-asymptotes), MATLAB Central File Exchange. Retrieved .

Acknowledgements

Inspired: CONTROL SYSTEMS - BODE PLOT

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.2.0.2

some forgotten commas from debugging changed back to semicolons

1.2.0.1

Erroneous sometimes -360 deg phase correction removed

1.2.0.0

Just editing the description a little
Compatible with Matlab 2015
Fixed for compatibility with newer Matlab versions

1.0.0.0

Bug fix.