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Galerkin Method


A method of determining coefficients alpha_k in a power series solution

 y(x)=y_0(x)+sum_(k=1)^nalpha_ky_k(x)

of the ordinary differential equation L^~[y(x)]=0 so that L^~[y(x)], the result of applying the ordinary differential operator to y(x), is orthogonal to every y_k(x) for k=1, ..., n (Itô 1980).

Galerkin methods are equally ubiquitous in the solution of partial differential equations, and in fact form the basis for the finite element method.


See also

Finite Element Method

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References

Itô, K. (Ed.). "Methods Other than Difference Methods." §303I in Encyclopedic Dictionary of Mathematics, 2nd ed., Vol. 2. Cambridge, MA: MIT Press, p. 1139, 1980.

Referenced on Wolfram|Alpha

Galerkin Method

Cite this as:

Weisstein, Eric W. "Galerkin Method." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/GalerkinMethod.html

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