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Steepest Descent and Least Squares Solvability
Published online by Cambridge University Press: 20 November 2018
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Let T be a bounded linear operator defined on a Hilbert space H. An element z∈H is called a least squares solution of the equation
if . It is easily shown that z is a least squares solution of (1) if and only if z satisfies the normal equation
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- Copyright © Canadian Mathematical Society 1974
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