Theory and practical computations have shown that the new kind of synthetically approximation is superior to single functional approximation or statistical method.
理论与计算表明,新的综合逼近法优于单独的函数模型逼近和统计模型逼近。
From the perspective of functional analysis, the prediction of the aeroengine exhaust gas temperature could be seen as a functional approximation problem in nature.
从泛函分析的角度出发,将航空发动机排气温度预测问题转换为一种泛函逼近问题。
This article indicates the principle for ANN bus protection based on function approximation ability, analyzes the functional relation of bus-bar object and builds the ANN model of bus-bar protection.
叙述了基于ANN函数逼近能力的母线保护原理,分析了母线保护物理对象的函数关系,构建了母线保护的人工神经网络模型。
However, the generalized moving least squares approximation makes require least squares approximation with regard to functional and its derivative value on all nodes.
而广义移动最小二乘近似要求近似函数及其导数在所有节点处的误差的平方和最小。
Under the mean-field approximation, the free-energy functional of binary mixtures of star-like polymers is derived.
在平均场近似下求得了星型高分子共混体系的混合自由能及其相分离动力学方程。
This article focuses on the topics that by connecting the the least-squares Minimization with the functional abstract space, the abstract definition of the best approximation problem is abtained.
把计算方法中的最小二乘法与泛函的抽象空间联系起来,得到最佳逼近问题的抽象提法,并在赋范线性空间探讨最小二乘法。
Using the modulus of smoothness and K-functional, direct and inverse theorems of simultaneous approximation for a kind of multivariate trigonometric polynomial operators are established.
利用光滑模和K -泛函给出了一类多元三角多项式算子同时逼近的正逆定理。
Finding good approximation of exchange-correlation functional is one of the main targets in DFT.
找到合适的交换能量泛函是密度泛函的主要内容之一。
Using natural spline functions with multiple knots, we discuss the extended Sard approximation of Linear functional.
利用自然水平函数,将众所周知的阻尼牛顿法进行推广,用于求解病态非线性方程组。
Using natural spline functions with multiple knots, we discuss the extended Sard approximation of Linear functional.
利用自然水平函数,将众所周知的阻尼牛顿法进行推广,用于求解病态非线性方程组。
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