关键词：变系数；线性微分方程；不变量 [gap=4006]Key words：varied coefficient；linear differential equati0n；inVariant
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... 埃系数 angstrom coefficient 变系数 coefficient of variation; variable coefficient 参数，系数 coefficient ...
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旋转畸变系数 coefficient of rotational distortion
衰变系数 disintegration coefficient ; [核] decay coefficient ; coefficient decay
蠕变系数 creep coefficient
应变系数 [数] [力] coefficient of strain
切变系数 shearing coefficient ; shear coefficient ; shear modulus ; coefficient of shear
变系数模型 Varying-coefficient Models ; Variable-Coefficient Models ; coefficient Models
不变系数 [统计] [数] constant coefficient ; invariant system
径向畸变系数 coefficient of radial distortion ; radial distortion
This dissertation plans to employ cubic smoothing spline to estimate both single-index parameter from single-index partially linear model and varying coefficients from varying coefficient partially linear model, including estimate method, estimate procedure and the related asymptotic properties.
所以它在各领域有广泛应用。 本文中我们将给出由三次样条方法得到的单指标参数的估计方法,估计步骤和统计性质;变系数部分线性模型中函数系数估计值的估计思路,估计计算和渐进性质。
参考来源 - 三次光滑样条的一些应用At present, semiparametric model, functional coefficient and quantile regression are key issues in the field of regression analysis.
半参数模型、变系数模型和分位数回归是当今回归分析中研究的热点问题。
参考来源 - 半参数变系数分位数回归模型及其两阶段估计·2,447,543篇论文数据，部分数据来源于NoteExpress
利用乘子法研究了带有变系数的波方程的反馈镇定问题。
Using the multiplier method, we study the boundary feedback stabilization of the wave equation with variable coefficient.
探求一类变系数方程的求特解的方法以及对方程的降阶。
The paper investigates the solution of a class of linear homogeneous differential equations with varied coefficients and methods of decreasing order of the DE.
结果表明，该方法对于求解各类变系数常微分方程是十分有效的。
The result shows that it is effective for solving ordinary differential equation with variable coefficients.
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