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cov returns the covariance of its parameter.
rsCov = cov(rvX)
rsCov = cov(rvX, rvY)
Return Value
rsCov is the covariance.
Parameters
rvX
rvX is a real vector.
rvY
rvY is a real vector.
Example
* cov([-2,3,1]) 6.3333
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See also
Overview Mathematic, sum, mean, std, corrcoef
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