单词	chain rule
释义	chain rule noun : a mathematical rule concerning the differentiation of a function of a function (such as f [u(x)]) by which under suitable conditions of continuity and differentiability one function is differentiated with respect to the second function considered as an independent variable and then the second function is differentiated with respect to its independent variable Example Sentences Recent Examples on the Web Honest nodes following the longest-chain rule switch to recognizing the grey and orange blocks as valid, discarding the previously official yellow and green blocks. Timothy B. Lee, Ars Technica, 26 Dec. 2020 Honest nodes following the longest-chain rule switch to recognizing the grey and orange blocks as valid, discarding the previously official yellow and green blocks. Timothy B. Lee, Ars Technica, 26 Dec. 2020 Honest nodes following the longest-chain rule switch to recognizing the grey and orange blocks as valid, discarding the previously official yellow and green blocks. Timothy B. Lee, Ars Technica, 26 Dec. 2020 Honest nodes following the longest-chain rule switch to recognizing the grey and orange blocks as valid, discarding the previously official yellow and green blocks. Timothy B. Lee, Ars Technica, 26 Dec. 2020 Honest nodes following the longest-chain rule switch to recognizing the grey and orange blocks as valid, discarding the previously official yellow and green blocks. Timothy B. Lee, Ars Technica, 26 Dec. 2020 Honest nodes following the longest-chain rule switch to recognizing the grey and orange blocks as valid, discarding the previously official yellow and green blocks. Timothy B. Lee, Ars Technica, 26 Dec. 2020 Honest nodes following the longest-chain rule switch to recognizing the grey and orange blocks as valid, discarding the previously official yellow and green blocks. Timothy B. Lee, Ars Technica, 26 Dec. 2020 The algorithm is called backpropagation because error gradients from later layers in a network are propagated backwards and used (along with the chain rule from calculus) to calculate gradients in earlier layers. Timothy B. Lee, Ars Technica, 18 Dec. 2018 See More Word History First Known Use circa 1937, in the meaning defined above
随便看	hit it on the nose hit list hit man hit men hit off hit on hit on or upon hit one's stride hit out hit out at hit parade hit pay dirt hit record hit rock bottom hit someone for six hit the airwaves hit the big five-oh hit the big four-oh hit the books hit the bottle hit the buffers hit the bull's-eye hit the ceiling hit the deck hit the dirt

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