变分法 [数] Calculus of Variations ; [数] variational method
变分法与张量 Calculus of Variations & Tensor ; Calculus of Variations & ; Tensor
新变分法 The New Variational Method
能量变分法 Energy Variation Method ; Energy calculus of variations
变分法原理 variation principle
变分法的计算 The calculus of variations
瑞利–里兹变分法 Rayleigh-Ritz variational procedure
参数变分法 method of variation of parameters
广义变分法 generalized variational method
随机变分法 [数] stochastic calculus of variations
根据变分法和ABCD定律，导出了非线性锥形梯度折射率棒透镜中高斯光束的成像公式。
Imaging formulas of Gaussian beams in nonlinear conical GRIN rod lenses are derived from the variational method and the ABCD law.
根据最小势能原理，使用修正变分法来分析抗拔单桩和抗拔群桩的变形。
According to the principle of the minimum potential energy the deformation of single tension pile and pile groups was analyzed using a modified variational approach.
本文通过变分法欧拉方程推导出极小曲面的几个等价命题。
This paper investigates several equiyalent propositions of minimal curve surface by means of the euler equation of calculus of variations .
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