trapezoid rule


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trapezoid rule

n
(Mathematics) a rule for estimating the area of an irregular figure, by dividing it into parallel strips of equal width, each strip being a trapezium. It can also be adapted to obtaining an approximate value of a definite integral
References in periodicals archive ?
b]f(x)du(x) by the generalized trapezoid rule [(u(b) - u(x))f (b) + (u(x) - u(a))f (a)] was considered by Dragomir et al.
Braescu, A generalisation of the trapezoid rule for the Riemann-Stieltjes integral and applications, Nonlinear Anal.