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how to do normalization of a matrix

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Ass
Ass on 16 Jun 2020
Edited: Ass on 19 Jun 2020
I have a matrix wity dimension 100 by 50. Now i want to normalize the matrix by doing normaization of each column. I want to normlaize each column separately to do normalization

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Accepted Answer

Mohammad Sami
Mohammad Sami on 16 Jun 2020
You can use the function normalize and specify which dimension you want to normalize.
From the documentation
"N = normalize(A) returns the vectorwise z-score of the data in A with center 0 and standard deviation 1.
If A is a vector, then normalize operates on the entire vector.
If A is a matrix, table, or timetable, then normalize operates on each column of data separately.
If A is a multidimensional array, then normalize operates along the first array dimension whose size does not equal 1. "

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Ass
Ass on 19 Jun 2020
i have solved it by myself
it will be
b=(a./max(a, [ ] ,1));
madhan ravi
madhan ravi on 19 Jun 2020
It is exactly the same as what Sami suggested.
Ass
Ass on 19 Jun 2020
yes.but it would not give me the all normalized columns

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