// ＜Wave Equation＞ Wave equation in 3 dimensions is described as below. \begin{eqnarray}\frac{\partial^2u}{\partial t^2} &=& v^2\left(\frac{\partial^2u}{\partial x^2}+\frac{\partial^2u}{\partial y^2}+\frac{\partial^2u}{\partial z^2}\righ…

// ＜Wave Equation＞ Wave equation in one dimension is described as below. \begin{eqnarray}\frac{\partial^2u}{\partial t^2} &=& v^2\frac{\partial^2u}{\partial x^2} \end{eqnarray} Here, is the displacement of the wave at position in time , …