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How do you evaluate a norm like this?

by GridironCPJ
Tags: evaluate, norm
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GridironCPJ
#1
Apr28-12, 03:05 PM
P: 44
‖A(x+αz)-b‖_2^2

where A is an mxn matrix, x and z are vectors in R^n, b is a vector in R^m, and α is a scalar.
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Office_Shredder
#2
Apr30-12, 02:25 AM
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I don't really understand the question. A(x+αz)-b is a vector in Rm, so you just calculate its norm


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