Topograph is not appearing

%topoplot(data2plot,EEG.chanlocs);

After entering this formula, no Topograph is appearing.

[Emre Yavuz]

[Emre Yavuz]

I believe it should look like this:

Answer 1

[KALYAN ACHARJYA]

Already I have answered the same question, please do confirm, is that topoplot custom function.

https://in.mathworks.com/matlabcentral/answers/470276-topoplot-function-is-undefined#answer_381987

[Emre Yavuz]

I have tried the link you sent me above, and yes when I entered the code with the % sign added, it no longer gave me the 'function is not defined'. However, the plot was still not appearing, just an empty box...