5.6 Differentiate f with respect to t and g with respect to X, where

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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**5.6** Differentiate \( f \) with respect to \( t \) and \( g \) with respect to \( X \), where

\[
f(t) = \sin(\log(t^\top t)), \quad t \in \mathbb{R}^D
\]

\[
g(X) = \text{tr}(AXB), \quad A \in \mathbb{R}^{D \times E}, \, X \in \mathbb{R}^{E \times F}, \, B \in \mathbb{R}^{F \times D},
\]

where \(\text{tr}(\cdot)\) denotes the trace.
Transcribed Image Text:**5.6** Differentiate \( f \) with respect to \( t \) and \( g \) with respect to \( X \), where \[ f(t) = \sin(\log(t^\top t)), \quad t \in \mathbb{R}^D \] \[ g(X) = \text{tr}(AXB), \quad A \in \mathbb{R}^{D \times E}, \, X \in \mathbb{R}^{E \times F}, \, B \in \mathbb{R}^{F \times D}, \] where \(\text{tr}(\cdot)\) denotes the trace.
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