Linear Algebra and Its Applications · Problem 2.5.9

Vector Spaces — Gilbert Strang

Mathematics · graphs-and-networks

Problem

Compute

A^T A

and

A^T CA

, where the 6 by 6 diagonal matrix

C

has entries

c_1, \ldots, c_6

. How can you tell from the graph where the

c

's will appear on the main diagonal of

A^T CA