How to convert a grayscale matrix to an RGB matrix in MATLAB?

Posted by user198729 on Stack Overflow See other posts from Stack Overflow or by user198729
Published on 2010-04-12T03:04:20Z Indexed on 2010/04/12 3:13 UTC
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matrix

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matlab

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grayscale

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rgb

grayImage = grayImage / max(max(grayImage));

?

grayImage = grayImage / 255;

Which of the above is right,and reason?

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