International Journal for Numerical Methods in Engineering · 1973 · 410 citations · 2 references
Natural SciencesMathematicsComputational GeometryGeometryIntegral Equation FormulationsIntegral GeometryNumerical AlgorithmsNumerical AnalysisNumerical IntegrationQuadrilateral GeometryGaussian QuadratureQuadrature RulesQuadrature Theory
Abstract Several formulas are presented for the numerical integration of a function over a triangular area. The formulas are of the Gaussian type and are fully symmetric with respect to the three vertices of the triangle.
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