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From: ImageAnalyst <imageanalyst@mailinator.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: detect NaN in a matrix
Date: Sun, 5 Jun 2011 14:37:10 -0700 (PDT)
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if isempty(data) || any(isnan(data(:)))
	uiwait(warndlg('Check your data'));
end