释义 |
Elliptic Partial Differential EquationA second-order Partial Differential Equation, i.e., one of the form
 | (1) |
is called elliptic if the Matrix
 | (2) |
is Positive Definite. Laplace's Equation and Poisson's Equation are examplesof elliptic partial differential equations. For an elliptic partial differential equation, Boundary Conditions are usedto give the constraint on , where
 | (3) |
holds in .See also Hyperbolic Partial Differential Equation, Parabolic Partial Differential Equation,Partial Differential Equation
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