# Simpson's rule

## noun

Simp·son's rule
ˈsim(p)-sənz-

**:**a method for approximating the area under a curve over a given interval that involves partitioning the interval by an odd number

*n*+ 1 of equally spaced ordinates and adding the areas of the

*n*/2 figures formed by pairs of successive odd-numbered ordinates and the parabolas which they determine with their included even-numbered ordinates

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Merriam-Webster unabridged
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