Thanks for the responses, but I'm not interested in merely checking each
vector pair one at a time.  I need to know the correlation between two sets
of vectors.  Each vector set can have hundreds or thousands of vectors, each
set having the same number of vectors, and each corresponding vector have
the same conditions.  Perhaps my terminology is not quit correct.

            Experiment1    Experiment2
Input1    (-1,1)            (-2,-1)
Input2    (-2,0)            (-2,0)
Input3    (-2,1)            (-1,0)
Input4    (0,0)             (0,0)
Input5    (-1,1)            (-1,0)
    ...        ...                ...
InputN    (1,1)            (1,1)

The experiments output a 2D vector for each input condition.  How can I
calculate the correlation or dependence of these two experiments?


---------------------------
good idea!  but, I think it's the dot products.  - two vectors at right
angles to one another have a dot product of 0.

and I think WDA's suggestion of checking a book on the subject is a very
good one :)

Jay
-----------------------
W. D. Allen Sr. wrote:

If I remember correctly two vectors are independent if their cross productis
zero. Check a vector analysis book for verification of this.

WDA

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