6 Matching Annotations
- Oct 2021
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www.deeplearningbook.org www.deeplearningbook.org
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Writing an expression in terms of the trace operator opens up opportunities tomanipulate the expression using many useful identities.
What does writing an expression using trace operator open up to?
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the traceoperator is invariant to the transpose operator:
What is the trace operator invariant for?
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What is the Frobenius Norm of a Matrix?
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For example, the trace operator providesan alternative way of writing the Frobenius norm of a matrix:
The trace operator provides the alternative way of writing which norm of the matrix?
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Some operations that aredifficult to specify without resorting to summation notation can be specified usingmatrix products and the trace operator.
Where the trace operator is useful?
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The trace operator gives the sum of all the diagonal entries of a matrix
What is a trace operator?
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