Compare and consider kernel estimation that two optimal bandwidths could be chosen and six kernel functions (among them three kernels are often used and famous kernel, other three kernel functions are done by us), which belong to the same function family was used, for half-normal detection function.
对于半正态探知函数,使用两个最佳带幅宽和六个属于相同的函数族、不同的核函数 (其中 3个是经常被使用、著名的核函数,另外 3个是我们作成的核函数)来进行密度推定,通过计算机数值模拟产生测线调查样本;用统计量RRMSE和RB对密度推定值进行评价,来验证核函数的优劣。
Some of optimal bandwidths used depends on detection function, some do not rely on detection function, still use classic ground Maximum Likelihood estimate.
使用的最佳带幅宽有的依赖于探知函数,有的不依赖探知函数,还用到经典的最大似然估计法。
By means of the conditions of total differential equation,in this paper are given the integral factor and general solution of one kind of differential equation and are obtained the differential equations that satisfy the unknown functions in some of total differential equations, thus are found the unknown functions and their general solutions.
利用全微分方程的条件 ,给出一类微分方程的积分因子及通解公式 ,得出几类全微分方程中未知函数所满足的微分方程 ,获得未知函数及全微分方程的通
In this paper, using the linear substitution of unknown function, obtains a nec-essary and sufficient condition for three order linear homogeneous differential equation with variable coefficients to be three order linear differential equation with constant coefficients.
运用未知函数的线性变换,获得三阶变系数线性齐次微分方程化为三阶常系数线性微分方程的一个充要条件。
The estimation of unknown function in a class of integro-sum inequalities has been proved by inductive approach and methodology of inequalities.
利用数学归纳法和不等式技巧证明一个已知的积分和不等式中未知函数的估计式成立。
" In calculus, the process of finding a function whose derivative is a given function. "
微积分中求导数为已知函数之函数的过程。
GENERALIZED LANCZOS' ALGORITHM TO APPROXIMATE DIFFERENTIATION OF GIVEN FUNCTIONS
逼近已知函数微商的广义Lanczos算法
Roothaan proposed representing the Hartree Fock orbitals as linear combinations of a complete set of known functions called basis function.
罗汤建议把哈特利福克轨道表示成已知函数称基函数。
A process which produces a new function out of any given function is called an operator.
从一个已知函数产生另一个新函数的过程叫做算子。
"In mathematics, a function that results when a given function is multiplied by a so-called kernel function, and the product is integrated Between suitable limits. "
数学用语,已知函数乘以所谓核函数时所产生的函数,而这个产物在适当的极限之间积分化
Certainly it holds out the possibility of transforming an integral into another one which can be expressed in terms of known factions.
无疑它提供了把一个积分变换成另一个可以用已知函数来表达的积分的可能性。
(mathematics) calculation of the value of a function between the values already known.
（数学）在已知值之间求函数值的计算。
A Stable Approximate Methods for the Derivatives of Approximately Specified Functions of two Variables;
近似已知二元函数的稳定求偏导方法
To estimate a value of(a function or series) between two known values.
内插在两个已知值之间估计（函数或级数）的一个值
Can not run a non-default constructor when connecting to well-known objects.
当正在连接已知对象时，不能运行非默认构造函数。
How to Select a Known ProbabilityDistribution for an Element Cost;
如何给某个成本要素选择一个已知的概率分布函数(英文)
An equation known as the Schrodinger equation describes how wave functions change in time, a role similar to Newton's second law in classical mechanics.
已知的薛定谔方程描述了波函数怎样及时改变，类似经典力学里的牛顿第二定律的角色。
The WaitForSingleObject function returns when the specified object is in the signaled state or the time-out interval elapses.
这个函数将返回值，当实例对象处于通知状态或者休息时间已用完？这样可以吗？
You may be interested to know that we have had several hundred inquiries as to the result of our exhibition.
我们的产品经过展示之后，至今已收到数百封询问函，这一点您也许会有趣知悉。
Unknown unmanaged calling convention for function signature.
函数签名的未知非托管调用约定。
Cognizance of the Function Conception Learning from the APOS Theory and the Teaching Suggestions;
APOS理论下的函数概念认知及教学启示
Hilbert problem with unknown parameter function on infinite straight line
无穷直线上含参变未知函数的Hilbert问题
Cognitive UWB Pulse Design Based on APSWF
基于APSWF函数的认知超宽带脉冲设计