(thing) by vireo Thu Mar 01 2001 at 21:53:09
The correlation coefficient of a random process X(t), is the function:

ρX(t1,t2) = CX(t1,t2) / sqrt(CX(t1,t1)CX(t2,t2))

where CX(t1,t2) denotes the autocovariance of the process.

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