A+B - A". Hint: if two functions salisfy the same differential equation, then the uniqueness of solution of differential equations says they are equal Prove det(e^) = er(A), Note: you can use knoun facts about determinant and trace.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question is fron subject- Linear System Theory.

Need help on part (d), (e) and (f) of the problem. part (a), (b) and (c) are already solved.

Problem 2 Functions of a matrix -
Raxn Suppose AB = BA.
Let f, g be functions over matrices and A, B E
a)
Prove f(A)g(B) = g(B)f(A).
b)
Prove f(A") = f(A)".
c)
Let A = QJQ-1 be any matrix decomposition. Prove f(A) = Qf(J)Q-1.
eA+B = e^B¸ Hint: if two functions satisfy the same differential equation, then the uniqueness
of solution of differential equations says they are equal
Prove det(e4) = etr(4). Note: you can use knoum facts about determinant and trace.
For the time invariant linear state equation I(t) = Ar(t) show that given any
f)
10 there erists a constant a(ro) such that
det[1(t) Ar(t) ... A"'r(t)| = a(xa)e"(A)4
Transcribed Image Text:Problem 2 Functions of a matrix - Raxn Suppose AB = BA. Let f, g be functions over matrices and A, B E a) Prove f(A)g(B) = g(B)f(A). b) Prove f(A") = f(A)". c) Let A = QJQ-1 be any matrix decomposition. Prove f(A) = Qf(J)Q-1. eA+B = e^B¸ Hint: if two functions satisfy the same differential equation, then the uniqueness of solution of differential equations says they are equal Prove det(e4) = etr(4). Note: you can use knoum facts about determinant and trace. For the time invariant linear state equation I(t) = Ar(t) show that given any f) 10 there erists a constant a(ro) such that det[1(t) Ar(t) ... A"'r(t)| = a(xa)e"(A)4
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