Hi Meghna,

I organized some tutorials about Machine Learning for Chemistry with Python.

Where you can find some info about the use of Covariance Matrix that may help you.

The originals are in Portugueese, but you can read using Google Translator:

https://tinyurl.com/yybazx9n

https://tinyurl.com/y29mule6

https://tinyurl.com/yxtg4tce

Best Regards,
Markos

Em 19-10-2020 02:23, Meghna Karkera escreveu:
Dear Sir

I am unable to find the *formula for covariance* used in np.cov syntax in
PYTHON given in link
https://numpy.org/doc/stable/reference/generated/numpy.cov.html.  Could you
please help me out.

Thanks
Meghna

On Tue, Oct 13, 2020 at 11:46 AM Christian Gollwitzer <aurio...@gmx.de>
wrote:

Am 13.10.20 um 06:52 schrieb Meghna Karkera:
Could you let me know what is the back end calculation of this covariance
matrix syntax np.cov

You can look it up yourself: Go to the docs
https://numpy.org/doc/stable/reference/generated/numpy.cov.html

At the right hand side, just right of the function signature, there is a
link [source]. Click there and it takes you to the implementation.

Apparently it is done in straightforward Python.

         Christian

PS: Snipped a lot of unrelated citation at the bottom

On Tue, Oct 13, 2020, 10:14 Bruno P. Kinoshita <
brunodepau...@yahoo.com.br>
wrote:
[...]
I think the np.cov is from the numpy module (imported/aliased as np?).
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