The chain rule for functions with a matrix argument (Q1318221)
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scientific article; zbMATH DE number 540061
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The chain rule for functions with a matrix argument |
scientific article; zbMATH DE number 540061 |
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The chain rule for functions with a matrix argument (English)
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27 March 1994
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It is well known that the chain-rule equation: \[ (d/dt)f \bigl( A(t) \bigr) =A'(t)f' \bigl( A(t) \bigr) \] is valid if \(A(t)A'(t)=A'(t)A(t)\). The paper investigates the extent to which the converse holds.
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matrix argument
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chain-rule equation
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