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chain rule

noun

, Mathematics.
  1. the theorem that defines the method for taking the derivative of a composite function.


chain rule

noun

  1. maths a theorem that may be used in the differentiation of the function of a function. It states that d u /d x = (d u /d y )(d y /d x ), where y is a function of x and u a function of y
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of chain rule1

First recorded in 1860–65

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chain reactionchain saw