Show that the following are equivalent for matrices P, Q: (1) P, Q, and P + Q
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Question:
Show that the following are equivalent for matrices P, Q:
(1) P, Q, and P + Q are all invertible and (P + Q)-1 = P-1 + Q-1.
(2) P is invertible and Q = PG where G2 + G + I = 0.
Related Book For
Principles of Communications Systems, Modulation and Noise
ISBN: 978-8126556793
7th edition
Authors: Rodger E. Ziemer, William H. Tranter
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