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Chapter 4 Vector Norms and Matrix Norms
Vector Norms and Matrix Norms 4.1 Normed Vector Spaces In order to define how close two vectors or two matrices are, and in order to define the convergence of sequences of vectors or matrices, we can use the notion of a norm. Recall that R + = {x ∈ R | x ≥ 0}. Also recall that if z = a + ib ∈ C is a complex number,
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Chapter 16 Isometries, Local Isometries, Riemannian Coverings ...
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