partial differential equation

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May 12th 2011, 06:06 PM
Suvadip

partial differential equation

Please give me some hints to solve the equation

$\frac{\partial^2 z}{\partial x^2}+\frac{\partial^2 z}{\partial y^2}=k^2 z$

Boundary condition: $z=z_0(\mbox{constant}) \quad\mbox{at}\quad x=\pm a \quad\mbox{and}\quad y=\pm b$
May 12th 2011, 06:13 PM
TheEmptySet

Quote:

Originally Posted by Suvadip

Please give me some hints to solve the equation

$\frac{\partial^2 y}{\partial x^2}+\frac{\partial^2 y}{\partial x^2}=k^2 y$

Boundary condition: $y=Y_0(\mbox{constant}) \quad\mbox{at}\quad x=\pm a \quad\mbox{and}\quad y=\pm b$

I think you have a typo or this is an 2nd order linear ODE with constant coefficients not a PDE.
May 12th 2011, 06:31 PM
Suvadip

Sorry, typing mistake was there. Now it is ok

Quote:

Originally Posted by Suvadip

Please give me some hints to solve the equation

$\frac{\partial^2 z}{\partial x^2}+\frac{\partial^2 z}{\partial y^2}=k^2 z$

Boundary condition: $z=z_0(\mbox{constant}) \quad\mbox{at}\quad x=\pm a \quad\mbox{and}\quad y=\pm b$

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