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How to calculate covariace of two random variable

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Mohsen
Mohsen 2019-4-15
编辑： Matt J 2019-4-15
Dear User
I have two random numbers for example:
X: mean=0.05 & Standard deviation=0.005
Y: mean=0.0455 & Standard deviation=0.005
How do I calculate Covariance(X,Y)?
Regards

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Matt J
Matt J 2019-4-15
cov(x(:),y(:))
  2 个评论
Mohsen
Mohsen 2019-4-15
Thank you
But I only have mean and std. of the distributions, the vector of numbers is not available?
Matt J
Matt J 2019-4-15
编辑：Matt J 2019-4-15
The covariance cannot be derived from mean and std.

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