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  • (cur | prev) 08:48, 12 September 2008โ€Ž Schmidtw (Talk)โ€Ž . . (814 bytes) (+814)โ€Ž . . (New page: ==Time Invariance== A system is time invariant if a shift in the input signal produces the same shift in the output signal. A simple way to check for time invariance is to test whether you...)

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

Dr. Paul Garrett