# Neumann vs Dirichlet

#### mherna48

Hi everyone,

What's the difference between these two boundary conditions? Why are they important to know?

Related Differential Equations News on Phys.org

#### Irrational

http://en.wikipedia.org/wiki/Dirichlet_boundary_condition" [Broken]

"When imposed on an ordinary or a partial differential equation, it specifies the values a solution needs to take on the boundary of the domain"

http://en.wikipedia.org/wiki/Neumann_boundary_condition" [Broken]

"When imposed on an ordinary or a partial differential equation, it specifies the values that the derivative of a solution is to take on the boundary of the domain."

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#### n!kofeyn

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