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integral region
相关语句
  积分区域
     This paper makes the range of integral mid-value point in Rn narrowed from integral region D to the inside of D/D .
     将Rn中积分中值定理的中值点取值范围,由积分区域D上缩小到D的内部D/D上取到。
短句来源
     In the calculation of defining and double integral,appropriately making use of the odevity of integrand and the symmetry of integral region can simplify the calculation of integral.
     在定积分和重积分的计算中,恰当地利用被积函数的奇偶性和积分区域的对称性,可以使积分运算大大简化。
短句来源
     Compute the Value of Multiple Integral by the Symmetry of Integral Region
     利用积分区域的对称性求重积分值
短句来源
     Based on the symmetry for integral region and integrand as well as the rotational symmetry for integral region,this article figures out two calculations of multiple integral,line integrals and surface integrals.
     通过积分区域、被积函数的几何对称性及积分区域的轮换对称性 ,定量给出了重积分、曲线积分和曲面积分的两种计算方法 .
短句来源
     This paper makes the range of integral mid-value point in R n narrowed from integral region D to the inside of D/D.
     将 Rn中积分中值定理的中值点取值范围 ,由积分区域 D上缩小到 D的内部 D D上取到 .
短句来源
更多       
  积分区间
     Method for Defining Integral Region of Any Shape of Mining Face
     非规则采矿工作面积分区间确定方法
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For advancing the calculating accuracy of the optical transfer fu-nction, the boundary of the vignetting pupilis divided into an upper curve and alower one. They are fitted by generalized polynomials in the sense of least square.The numerical integration of the OTF adopts gaussian integration with the highestalgebraic accuracy, and the mathematical treatments of integral region are discussedin different cases. Finally a computing example is given.

为了提高光学传递函数的计算精度,把渐晕光瞳边界线分成上、下两条曲线,应用广义多项式在最小二乘意义下进行曲线拟合;光学传递函数的数值积分采用最高代数精度的高斯积分,并讨论在不同情况下积分区域的数学处理。最后给出了计算实例。

The present author proposes a compensation algorithm based on the principle of replacement of integral region and gives some practical approximations to the normal distribution and its inverse as follows: Y_m(u)=[1-4/π sum from i=1 to m θ_ie~(b_iu~2)(1+c_mu~4)]~(1/2)~2Φ(u)-1, m=1, 2, ,… with maximum error less than 9. 3×10~(-5) for m=1 and 4×10~(-6) for m=2, u=[u~2_0+d_1u_0~4+d_2u_0~6]~(1/2), u_0~2=-π/2 1n(4p(1-p)) with maximum error less than 1×10~(-4). These approximations are better than Hastings'...

The present author proposes a compensation algorithm based on the principle of replacement of integral region and gives some practical approximations to the normal distribution and its inverse as follows: Y_m(u)=[1-4/π sum from i=1 to m θ_ie~(b_iu~2)(1+c_mu~4)]~(1/2)~2Φ(u)-1, m=1, 2, ,… with maximum error less than 9. 3×10~(-5) for m=1 and 4×10~(-6) for m=2, u=[u~2_0+d_1u_0~4+d_2u_0~6]~(1/2), u_0~2=-π/2 1n(4p(1-p)) with maximum error less than 1×10~(-4). These approximations are better than Hastings' and Yamuti's formulas.

本文作者在积分域替代原理的基础上提出补偿算法,从而导出正态分布函数及其分位数的一些形式简单的近似式。实际计算表明,在同等运算量下,其精度优于常用的同类近似式。

In this paper the author proposes a mean compensation algorithm based on the principle of replacement of integral region[1,3]. Tie approximate formulas

本文对文献[1]中的正态分布近似式给出了四点平均补偿,从而大大提高了精度,并克服了文献[2]中的缺点。

 
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