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单词 partial sum
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partial sum
partial sum n. Mathematics the sum of the first n terms of a series consisting of more than n terms, where n is a finite integer (including 1).
ΚΠ
1900 Amer. Math. Monthly 7 165 To interpret this, we get the sum of all the points except one and then add this partial sum to the remaining point.
1979 Sci. Amer. Oct. 24/2 These squares form the infinite sequence 1, 4, 9, 16, 25.., and the consecutive partial sums of this sequence are 1, 5, 14, 30, 55, [etc.].
2000 Econ. & Philos. 16 125 The algorithm works on Arabic numerals, starts from the right, and carries if a partial sum exceeds nine.
extracted from partialadj.n.
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