Maclaurin's series /məˈklɔːrɪnz/

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  N an infinite sum giving the value of a function f(x) in terms of the derivatives of the function evaluated at zero: f(x) = f(0) + (f′(0)x)/1! + (f″(0)x²)/2! + … 马克劳林级数 (Also called Maclaurin series) [maths]