(d) Suppose y is a least squares solution to Cx = d (for some matrix C and vector d). Show that d-Cy is orthogonal to the column space of C. Do not use the computational results from this problem to prove this.
(d) Suppose y is a least squares solution to Cx = d (for some matrix C and vector d). Show that d-Cy is orthogonal to the column space of C. Do not use the computational results from this problem to prove this.
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 29CM
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