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how can i standardise the elements in a matrix

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NN
NN on 3 Dec 2020
Commented: Star Strider on 8 Dec 2020
I want to standardie the elements in a 9*576 double matrix (pn) in matlab.
I use the below code, but i dont get the same dimension, it gives 9*1 double matrix(pn1) , how can i standardise each element and get the same dimension.
mu = mean(pn);
sig = std(pn);
pn1 = (pn- mu) / sig;

  3 Comments

Star Strider
Star Strider on 8 Dec 2020
I deleted my Answer (originally posted on 3 Dec 2020 at 1:48), since there are extensive repeated posts on the same subject: normalising and reverse normalising data, normalisation and reverse process _Forecasting _mean standard deviation , and perhaps others.
NN
NN on 8 Dec 2020
I have seen your post and thank you so much.
But still i am searching for the answer and i would like to know where i did mistake

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