Szukana fraza: [Abstract = "We consider a general elliptic Robin boundary value problem. Using orthogonal Coifman wavelets \(Coiflets\) as basis functions in the Galerkin method, we prove that the rate of convergence of an approximate solution to the exact one is O\(2\?nN\) in the H1 norm, where \"n\" is the level of approximation and \"N\" is the Coiflet degree. The Galerkin method needs to evaluate a lot of complicated integrals."]

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