topoplot function is undefined

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Denise Dal Lago
Denise Dal Lago il 6 Ott 2022
Risposto: Adam Danz il 6 Ott 2022
Hi, I am trying to use the function topoplot to plot EEG data in a 2D figure.
figure(1), clf
topoplot('variable',EEG.chanlocs);
title([ 'Topoplot from time=' num2str(EEG.times(time2plot)) ' ms.' ])
But it comes up the following error:
Undefined function or variable 'topoplot'.
How can I fix that?
(Matlab 2019a)

Risposte (1)

Adam Danz
Adam Danz il 6 Ott 2022
topoplot is not a function provided by MATLAB (r2022b). A google search for "matlab topoplot" shows several 3rd party functions with that name such as this one and it's git hub files. But the first argument seems to be a numeric vector in those files while your first argument is a character vector.
  1. Find the right file
  2. Make sure your inputs are correct.

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