數理方程:二階線性偏微分方程的分類和標准式
更新:9 APR 2016 ========方法======== 對於任意的二元二階齊次線性偏微分方程, \(a_{11}\dfrac{\partial^2u}{\partial x^2}+2a ...
更新:9 APR 2016 ========方法======== 對於任意的二元二階齊次線性偏微分方程, \(a_{11}\dfrac{\partial^2u}{\partial x^2}+2a ...
更新:25 MAR 2016 一維弦振動方程 方程形式 \(\large \dfrac{\partial^2u}{\partial t^2}=a^2\dfrac{\partial^2u}{\pa ...