Why getting this error??

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Hanan Awawdeh
Hanan Awawdeh 2020-12-16
回答： Image Analyst 2022-6-9
min=min(data);
max=max(data);
normdata=(data - min)./(max - min)
Why getting this error??
Error using -
Matrix dimensions must agree.

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回答（2 个）

James Tursa
James Tursa 2020-12-16
编辑：James Tursa 2020-12-16
Don't shadow the MATLAB min() and max() functions with variables of the same name. Also min() and max() operate on columns by default, not the entire matrix. Maybe this is what you want:
mindata = min(data(:));
maxdata = max(data(:));
normdata = (data - mindata)./(maxdata - mindata)
Image Analyst
Image Analyst 2022-6-9
Try rescale or normalize
normdata = rescale(data, 0, 1);

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