MATLAB Answers

undefined function or variable "helperMRAPlot"

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Tim Darrah
Tim Darrah on 7 Jul 2020
Commented: Patricia Spellman on 23 Jul 2020 at 15:28
I am following this guide, https://www.mathworks.com/help/wavelet/examples/practical-introduction-to-multiresolution-analysis.html and get an error when calling "helperMRAPlot". I have matlab R2019b.
[SL: Removed comma from the end of the URL]

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Answers (1)

Steven Lord
Steven Lord on 8 Jul 2020
According to the Release Notes this example was introduced in release R2020a of Wavelet Toolbox. I believe that helper function was introduced as part of that example and so will not be present in older releases.

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Patricia Spellman
Patricia Spellman on 23 Jul 2020 at 15:28
Would it be possible to get the code so those of us stuck with 2019b can see what functions are called to produce the graphs?
Thanks

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