How can I process a '.mat' file??

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John Bitzios
John Bitzios 2014-8-28
评论： Michael Haderlein 2014-8-28
At this program for example... http://www.mathworks.com/matlabcentral/fileexchange/26367-guitar-tuner
If you download the program you will see there is a ButtonIcons.mat file which I think are the icons for the GUI buttons on the guitar tuner. How can I process this file ??
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John Bitzios
John Bitzios 2014-8-28
Is it a lot of work or a piece of cake?? If its a lot of work then I dont want to spend my time on it...but if its easy then I would like a few more information on it...for example how can you change the colour with only this command??
PlayDisabled=PlayDisabled(:,:,[3,1,2]);
Michael Haderlein
Michael Haderlein 2014-8-28
Not much work for such a small image, just not as handy as in Paint or similar programs (when I woke up in the morning, I didn't expect to call Paint a handy program today). Anyway, you can just read wiki or similar about RGB images. There will be better explanations along with illustrations than I could ever provide. If you want to know what this [3,1,2] was, just define a little vector a=1:5 and play around with it the same way (a([3,1,2]),a([1,3,5]), whatever). You'll quickly see what happens ;-)

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