查询词典 approximation

General method, including steepest descent method, conjugate gradient method and Dynamic Programming, is to search piecewise functions as the approximation with numerical methods on the base of Bellman\'s principle of optimality or the Hamiltonian function.

动态规划与智能仿生算法尤其适用于梯度信息不可得的情况。单一的优化方法用于不同情况下的化工动态优化问题未必可行有效，为此本文针对具体情况，提出了多种解法的集成策略。

In this thesis,using the Bernstein polynomial approximation,Stieltjes transform method and the central limit theorem of martingale,under suitable moment conditions,we prove the CLT of LSS G_n with a generalized regular class C4 of the kernel functions for large dimensional sample covariance matrices.

在适当的矩条件下，当核函数f属于C4时，我们证明了大维随机协方差矩阵的线性谱统计量的中心极限定理。

In this paper the degree of approximation by n-dimensional Bernstein polynomials is discussed.

本文讨论了k维空间的伯恩斯坦多项式在不同的距离下的逼近度。

This subject has certain value to understand the development history of Bernstein approximation and probe into its extensive properties and application.

本课题对于了解Bernstein逼近的发展历史和探讨其更广泛的性质与应用都有一定的价值。

This thesis has studied the approximation properties of Bernstein operators and its modified operators in detail.

本篇论文系统研究了Bernstein算子及其修正算子的逼近性质。

The derived equation for describing the transverse intensity distribution gives good approximation to the experimental result as well as the zero-order Bessel function.

模拟得到的光场分布与实验结果及基于菲涅尔衍射积分理论或空间光谱理论得到的零阶贝塞尔光束很接近。

Therefore the best possible approximation to 1/10 in 754 double precision is that over 2**56, or

因此 1/10 在 754 双精度下最接近的是它比 2**56 ，即

Since the remainder is more than half of 10, the best approximation is obtained by rounding up

因为余数大于10的一半，最好的逼近方法是由上界逼近

Let's try out the best approximation then: a plane.

让我们来试试比较好的近似方法：一个平面。

In modeling the controlled plant, the mathematical model is at best the approximation to the actual system.

在建立受控系统数学模型，再怎麼精确的鉴别一个系统，我们所得到的也仅是一个"近似"於实际系统的数学模型。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。