拟函数,Quasi-function
1)Quasi-function拟函数
1.Three-dimensional Dynamic Quasi-function Technology Study of Oil Deposit Numerical Simulation and Its Practical Application;油藏数值模拟三维动态拟函数技术研究及实际应用
英文短句/例句

1.nonreturn-to-zero in recording of analog functio模拟函数记录中的不归零制
2.STRONGLY PREQUASI-INVEX FUNCTIONS AND STRONGLY QUASI-INVEX FUNCTIONS;强预拟不变凸函数与强拟不变凸函数
3.On level sets of E-convex function and E-quasiconvex function有关E-凸函数和E-拟凸函数的水平集
4.The Relationships between Prequasiinvex Functions and Semi-Continuous Functions预拟不变凸函数与半连续函数的关系
5.quasi-prenex disjunctive kernel normal form function拟前束析取核范式函数
6.quasi-prenex conjunctive kernel normal form function拟前束合取核范式函数
7.On the Sequence of Filling Circle and Borel Direction of Quasimeromorphic Function;关于拟亚纯函数的型函数的充满圆及其Borel方向
8.Quasi Score Function in Aggregated Data Nonlinear Regression Model聚集数据非线性模型中的拟得分函数
9.FDM Simulator FOR Two - Dimensional e Electric Potential of Electrostatic Field;二维静态电位函数的FDM数值模拟
10.Numerical modeling of seismic source function for underground explosion in hard rock硬岩中地下爆炸震源函数的数值模拟
11.Fitting Time Functions of Castor Oil Viscous Coefficient by Mathematica用Mathematica拟合蓖麻油粘滞系数的时间函数
12.SEEP/W models these relationships as continuous functions.SEEP/W采用连续函数模拟这种关系。
13.Approximation of Quasiconformal Mappings and Analytic Functions by Circle Packings;拟共形映射与解析函数的圆填充逼近
14.Grunsky Operators and Quasiconformal Extensions for Univalent Functions;单叶函数的Grunsky算子及拟共形延拓
15.The Research of Potential Function and Molecular Dynamics Simulation of SrTiO_3;SrTiO_3势函数及分子动力学模拟研究
16.Pseudospectral Method Using Generalized Laguerre Functions and Its Applications;广义Laguerre函数的拟谱方法及其应用
17.The Study of the New Coherent Modulation demodulation Function Set in Chen-Mobius Analog Communication Systems;陈-Mobius模拟通信系统调制解调函数分析
18.The Sequence of Filling Circle and Borel Direction of K-quasimeromorphic Function;K-拟亚纯函数的充满圆及其Borel方向
相关短句/例句

function fitting函数拟合
1.Upon considering the engineering practice of the nonuniformity correction of infrared focal plane array(IRFPA),a correction algorithm based on function fitting was designed.结合红外焦平面阵列(IRFPA)非均匀性校正的工程实际,设计了基于函数拟合的校正算法,采用大容量高速现场可编程门阵列(FPGA)器件,实现了该非均匀性校正系统,它能有效适应红外焦平面阵列器件响应特性的大动态范围和非线性,具有体积小、运算速度快和校正精度高等优点,为红外焦平面阵列非均匀性校正开辟了一条新的技术改造途径。
2.The simulation results from function fitting and time series prediction indicate that UGEP performs better than other similar algorithms in each of experimental .试验结果也证明,在求解函数拟合和时间序列预测等实际问题时,对比同类算法,UGEP算法体现出了较大的优越性。
3.In this paper,function fitting can be considered as optimal search processes of model structures and parameters.文中把函数拟合建模看作是模型结构和参数的优化搜索过程,将遗传规划和进化策略结合起来对函数拟合的结构和参数共存且相互影响的复杂解空间进行全局最优搜索实现拟合结构和参数的共同识别。
3)fitting function拟合函数
1.The fitting function,boundary curative effect and the function ratio are employed to establish a mathematical model to evaluate the treating methods toward AIDS.艾滋病的治疗方法很多,为了能够准确、及时、有效地治疗艾滋病,需要从众多的治疗方案中找到合适的一种,为此利用拟合函数、边际疗效和性价比建立了一个评价艾滋病疗法优劣的数学模型。
2.Then fitting function and Newton interpolation function can be structured,and the numerical value of equivalent solid slab thickness can be solved aften the two functions are contrastive analysed.研究方法:用ANSYS有限元分析软件模拟单元道床板在列车及温度载荷作用下的外载条件,选取5个掏空体积分别计算出所对应的等效实板厚度,再对比分析分别用二次拟合法求出的拟合函数与用Newton插值法得出插值函数,从而计算出一定范围内不同掏空体积所对应的等效实板厚度之间的对应关系。
3.The fitting function back analysis method for damage field is established by using multi variant distributed parameter approximation theory, which can be used to identify and monitor the evolution of adjacent rock damage.利用多元分布参数拟合逼近理论建立损伤场的映射拟合函数反演法 ,以识别与监测围岩损伤的演化。
4)quasiconvex function拟凸函数
1.In this paper,we have obtained some criteria for strongly quasiconvex funtions,and have given some characteristics among quasiconver functions,strictly quasiconvex functions and stronly quasiconvex functions.本文主要讨论了拟凸函数、严格拟凸函数及强拟凸函数之间的关系,得到了某些新的结论,推广了文[1]中的几个主要结论。
2.Some errors that come from the related literatures were pointed out and corrected,and some properties and determinant criterion of E-quasiconvex functions were provided.指出相关文献中讨论E-拟凸函数及其性质时出现的一些错误,并作了相应的更正。
3.Some new properties of explicitly quasiconvex functions are presented in this paper.提出了显拟凸函数的若干新性质。
5)quasi-Bent function拟Bent函数
6)function regression函数拟合
1.Application of support vector machines function regression in fractal interpolation;支持向量机函数拟合在分形插值中的应用
2.The research on support vector regression has an important theoretical and applicable significance on function regression(re-gression approximation).支持向量回归问题的研究,对函数拟合(回归逼近)具有重要的理论和应用意义。
3.Support vector regression has an important theoretical and applicable significance on function regression(regression approximation).支持向量回归机问题的研究远没有像支持向量机问题成熟完善,支持向量回归机对函数拟合(回归逼近)具有重要的理论和应用意义。
延伸阅读

高斯函数模拟斯莱特函数  尽管斯莱特函数作为基函数在原子和分子的自洽场(SCF)计算中表现良好,但在较大分子的SCF计算中,多中心双电子积分计算极为复杂和耗时。使用高斯函数(GTO)则可使计算大大简化,但高斯函数远不如斯莱特函数(STO)更接近原子轨道的真实图象。为了兼具两者之优点,避两者之短,考虑到高斯函数是完备函数集合,可将STO向GTO展开:       式中X(ζS,A,nS,l,m)定义为在核A上,轨道指数为ζS,量子数为nS、l、m 的STO;g是GTO:       其变量与STO有相似的定义;Ngi是归一化常数:       rA是空间点相对于核A的距离;ci是组合系数;K是用以模拟STO的GTO个数(理论上,K→∞,但实践证明K只要取几个,便有很好的精确度)。    ci和ζ在固定K值下, 通过对原子或分子的 SCF能量计算加以优化。先优化出 ζS=1 时固定K值的ci和(i=1,2,...,K),然后利用标度关系式便可得出ζS的STO展开式中每一个GTO的轨道指数,而且,ci不依赖于ζS,因而ζS=1时的展开系数就是具有任意ζS的STO的展开系数。对不同展开长度下的展开系数和 GTO轨道指数已有表可查。