Let's try a simple linear function: f ( x) = x + c, where c is a constant. So, f ( x) = x + c is a solution for any a and any ...

Let A → Ar be the map that takes a positive definite matrix to its rth power, and let DAr be the Fréchet derivative of this map. It is known that ∥DAr∥ = ∥rAr−1∥ if r ≤ 1 or if r ≥ 2, and also that ...

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