二重Riemann和sum from K∈z^2 (f(K/W))对积分integral from R^2 (f(x)dx)逼近的误差估计

Approximating Error Estimations of the Integral sum from K∈z^2 (f(K/W)) from the Double Riemann and Sum integral from R^2 (f(x)dx)

在文献[1]的基础上研究了R2上的求积公式,对于被积函数是光滑的情况给出了误差估计.研究所得结论不难推广到n元函数中.

Based on paper[1],the integral formula on R2 is investigated.For smooth integrals,error estimations are given.Moreover,all the results of this paper can be easily generalized to nvariable functions.