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python Programming Glossary: normHow can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images and calculate an element wise difference. Calculate the norm of the difference. However there are some decisions to make... same Is lightness contrast the same If not you may want to normalize images. But be careful in some situations this may do more.. a single bright pixel on a dark background will make the normalized image very different. Is color information important If..
Python UnicodeDecodeError - Am I misunderstanding encode? http://stackoverflow.com/questions/368805/python-unicodedecodeerror-am-i-misunderstanding-encode encodings p A little preamble think of unicode as the norm or the ideal state. Unicode is just a table of characters. 5..
How to apply numpy.linalg.norm to each row of a matrix? http://stackoverflow.com/questions/7741878/how-to-apply-numpy-linalg-norm-to-each-row-of-a-matrix to apply numpy.linalg.norm to each row of a matrix I have a 2D matrix and I want to take.. row of a matrix I have a 2D matrix and I want to take norm of each row. But when I use numpy.linalg.norm X directly it.. want to take norm of each row. But when I use numpy.linalg.norm X directly it takes the norm of the whole matrix. I can take..
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