单词	linear combination
释义	linear combination noun : a mathematical entity (such as 4x + 5y + 6z) which is composed of sums and differences of elements (such as variables, matrices, or functions) especially when the coefficients are not all zero Example Sentences Recent Examples on the Web In a generic lattice, lattice points are generated by taking all possible linear combinations of some set of vectors (arrows pointing in different directions). Quanta Magazine, 8 Sep. 2015 Without an activation function, every neural network, no matter how complex, would be reducible to a linear combination of its inputs. Timothy B. Lee, Ars Technica, 18 Dec. 2018 Word History First Known Use 1960, in the meaning defined above
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