Round RBG values to nearest multiple of 50

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Lauren Harkness
Lauren Harkness 2017-11-8
回答： OCDER 2017-11-8
I have an image I am trying to edit, how would I go about rounding each RBG value to it's nearest multiple of 50 (0, 50,100,150,200, and 250)? I am using a for loop right now that spans the size of the image but I can't figure out if I can use the round function for this or not.

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回答（1 个）

OCDER
OCDER 2017-11-8
Try this (no for loop needed):
RGB = [1 51 76 105 145 160 190 205];
RGB50 = round(a/50)*50;
RGB50 =
0 50 100 100 150 150 200 200

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