Question: Let D1 be the matrix whose ij th element is 0 for i = j , while the iith element is 1/Dii. Show that D1D

Let D−1 be the matrix whose ij th element is 0 for i = j , while the iith element is 1/Dii. Show that D−1D = In×n and RD−1 R

G = In×n.

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