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Shifting least negative value to zero

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siri meka
siri meka 2022-1-1
评论： Image Analyst 2022-1-1
Hello
So i have a graph whose values run below 0. i want to make the least point on this graph start from zero so that the subsequent values change accordingly. say -60 is the least point.. it should be zero on the graph the -20 will be at 40 and so on. please help me out.
Thank you so much
Happy New Year

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KSSV
KSSV 2022-1-1
编辑：KSSV 2022-1-1
Let x be your data.
xnew = x-min(x) ;
Als have a loon on the function rescale.
https://in.mathworks.com/help/matlab/ref/rescale.html
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Image Analyst
Image Analyst 2022-1-1
Or (another way) to clip all negative values at zero
x = max(x, 0);
Now negative values will be set to 0 and positive values will remain unchanged.

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