'view' - example: "Error using uimenu"

Question

Moritz Geiger 2017-7-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/349529-view-example-error-using-uimenu

回答： Arthur Goldsipe 2017-9-25

Hello! I just startet working with Matlab. I took one example from the website, but an error occurred:

cm = [0 1 1 0 0;1 0 0 1 1;1 0 0 0 0;0 0 0 0 1;1 0 1 0 0]
bg = biograph(cm)
h = view(bg)

I get this error:

Error using uimenu
First argument must be a valid parent, such as a Figure or Panel object.
Error in biograph.bggui>makeBiographViewerUIMenus (line 298)
uimenu(hw,'Label','Export to Workspace...','Position',1,'Callback',{@exportToWorkspace,bh})
Error in biograph.bggui (line 38)
makeBiographViewerUIMenus(fh,bh);                    
Error in biograph.biograph/view (line 49)
    g = biograph.bggui(h);

What am I doing wrong, using the example?

Thank you!

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Rik 2017-7-20

If you precede these lines with close all,clear cm bg h, does that fix the error?

I can't really think of a reason why this would give an error, except if something strange is going on with previously defined variables or figure windows that have gotten special settings changed.

Moritz Geiger 2017-7-20

Hi Rik! Thank you! Now it works - I'm a total beginner. I was typing the code in mlx an not in m. I guess I should lern the difference. But it works :-)

Thank you!

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