Exercise 4.4

Question

Two matrices $A, B \in \mathbb{C}^{m 	imes n}$ are unitarily equivalent if $A = QBQ^*$ for some unitary $Q \in \mathbb{C}^{m 	imes n}$. Is it true or false that $A$ and $B$ are unitarily equivalent if and only if they have the same singular values?

Desh Raj · Accepted Answer

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Exercise 4.4

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Exercise 4.4

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