英语词汇“Elliptic partial differential equation”是什么意思，翻译、用法及简单造句-英汉双解词典-英汉网

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单词	Elliptic partial differential equation
释义	Elliptic partial differential equation 中文百科椭圆型偏微分方程椭圆型偏微分方程（英语：Elliptic partial differential equation）是一类二阶偏微分方程，形式为： $Au_{xx} + 2Bu_{xy} + Cu_{yy} + Du_x + Eu_y + F = 0\,$ 并满足 $B^2 - AC < 0.\$ (另有隐含条件 $u_{xy}=u_{yx}$ . ) 英语百科 Elliptic partial differential equation 椭圆型偏微分方程 Second order linear partial differential equations (PDEs) are classified as either elliptic, hyperbolic, or parabolic. Any second order linear PDE in two variables can be written in the form where $A$ , $B$ , $C$ , $D$ , $E$ , $F$ , and $G$ are functions of $x$ and $y$ . A PDE written in this form is elliptic if
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更新时间：2025/6/19 15:43:30