MATLAB: Messagebox

messagebox

hi there, how to close all the messagebox automatically using matlab code.

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This seemed to work for me

h=msgbox('Click OK');
close(h);

You can put the close() in a timer callback if you want to close it after a certain time. But check that h exists (see the FAQ for methods). http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F

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MATLAB: How to get UIWAIT to work with a question dialog box in MATLAB

You receive this error message using QUESTDLG because UIWAIT expects its first input argument to be a function handle (which is the case for MSGBOX, but not for QUESTDLG).

The attached file, 'My_questdlg.m' closely reproduces the operation of the question dialog box, and can be made to work with UIWAIT. You would have to modify it slightly to have it return an output string, if this is what you want.

In order to run this program, download the attached files into your working directory. Then run the following command at the MATLAB command prompt:

My_questdlg('Are you sure you want to stop Realtime?','Close Request Function','Yes','No')

This will open up a GUI similar to your question dialog box. If there is no user input, the figure is deleted and control is returned to the main program after an interval of 5 seconds.

MATLAB: Messagebox warning in matlab

The NCC return value you're getting back is a matrix of correlation values (for Lena, it's 512x512). The string you're passing to messagebox will print that text 262,144 times (one for each value in the matrix), so yes, it gets pretty big!

Are you looking for the max correlation? If so, just wrap:

maxcorr = max(NCC(:)); % Single max across all
message = sprintf('The max normalized cross correlation is %.2f.', maxcorr);
msgbox(message);

If you're interested in a pattern or more than a single quantity, it might be easier to view it as a 3D surface plot. See the worked example here: https://www.mathworks.com/help/images/ref/normxcorr2.html

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Related Solutions

MATLAB: How to get UIWAIT to work with a question dialog box in MATLAB

MATLAB: Messagebox warning in matlab

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