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  • (cur | prev) 18:53, 3 November 2008โ€Ž Kpesyna (Talk)โ€Ž . . (306 bytes) (+306)โ€Ž . . (New page: To ensure that the calculated maximum variance is indeed a maximum, and not a minimum, you must take the second derivative. The second derivative at the "zero" (found in the first derivati...)

Alumni Liaison

Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett