...符号计算的三维线性椭圆型偏微分方程的变系数的高阶紧致差分格式-知来数据 Key words: elliptic partial differential equations, Maple software package, fourth order compact difference scheme, symbolic deriv[gap=287]关键词：椭圆型偏微分方程，Maple...
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回转的椭圆抛物面 elliptic paraboloid of revolution 椭圆型；偏微分方程 elliptic partial differential equation 椭性圆素 elliptic pencil of circle ..
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回转的椭圆抛物面 elliptic paraboloid of revolution 椭圆型；偏微分方程 elliptic partial differential equation 椭性圆素 elliptic pencil of circle ..
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The pressure equation for the liquid phase is obtained as which is a no-linear elliptic partial differential equation.
推导了喂料熔体流导率的计算公式，得出压力场的控制方程是一非线性椭圆偏微分方程。
One method was unstructured grid transformed from structured grid, which was created by numerically solving the elliptic partial differential equation.
提出两种非结构化网格生成方法，一种是由结构网格转化为非结构网格，结构化网格的生成是用椭圆型偏微方程法。
The algorithm for a class of optimal control problem where the state variables are the weak solution of an elliptic partial differential equation is studied.
研究一类最优控制问题的求解方法，其状态变量是某一种椭圆型偏微分方程的弱解。
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