Diff between covariance and correlation

#1

What are the differences between covariance and correlation in statistical terms as well as in terms of functionality/implementation ?

Also, could you please explain the pic below

#2

hey @gautam75,
Explaining all this here would become a bit lengthy task.

Can you please have a look at this link
https://towardsdatascience.com/let-us-understand-the-correlation-matrix-and-covariance-matrix-d42e6b643c22

And if still there is something confusing you in this , then surely let me know , i will help you out.

#3

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