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Perform rssq on each row

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Curious Mind
Curious Mind on 8 Apr 2020
Commented: Curious Mind on 8 Apr 2020
Hi, I have an 100:5000 data matrix called X and I want to perform root-sum-of-squares level on each row of X and output the result in Y. How do I go about it? Each row is unique and hence I want to know the rssq for each row. Thanks so much.

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Accepted Answer

Rik
Rik on 8 Apr 2020
All relevant functions support array operations and sum allows you to specify the dimension to operate along.
X=rand(100,5000);
Y=sqrt(sum(X.^2,2));

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Curious Mind
Curious Mind on 8 Apr 2020
Awesome! Thank you!

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