- partialderivative
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partial derivative
n.
The derivative with respect to a single variable of a function of two or more variables, regarding other variables as constants.
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Universalium. 2010.
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Universalium. 2010.
Envelope theorem — The envelope theorem is a basic theorem used to solve maximization problems in microeconomics. It may be used to prove Hotelling s lemma, Shephard s lemma, and Roy s identity. The statement of the theorem is:Consider an arbitrary maximization… … Wikipedia