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From: vivek vk on 20 Apr 2010 12:22
i am a newbie to matlab
can any one tell how to replace the grayscale values in a single command?

actually i have to use a log function on my image...
i declared the image as double..
but its showing a warning that log 0 is not defined.
so i want to change all the zeros to small value like 1/1024
pls help me

looking forward to replies.
thanks in advance
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Prev: get currentpoint in two axes
Next: What algorithm behind ppual() ? : Evaluate ppform function.