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Greg von Winckel


University of New Mexico

42 total contributions since 2004

I am research associate professor at the University of New Mexico Center for High Technology Materials

Professional Interests: PDE Constrained optimization, quantum mechanics, numerical methods

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Quadrature rules for spherical volume integrals
Computes weights and nodes for numerically solving spherical volume integrals.

10 years ago | 7 downloads |

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n-dimensional simplex quadrature
% Construct Gauss points and weights for a n-dimensional simplex

11 years ago | 22 downloads |

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Gaussian Quadrature for Triangles
Compute Gauss nodes and weights for a triangle

11 years ago | 18 downloads |

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Gauss Quadrature for Tetrahedra
Compute Gauss weights and nodes for a specied tetrahedron

11 years ago | 14 downloads |

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Summed Newton-Cotes Rules
2-11 Point Summed Newton-Cotes Rules

11 years ago | 6 downloads |

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Hermite Quadrature
Computes the Hermite weights for user-defined nodes.

11 years ago | 3 downloads |

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Fast Chebyshev Differentiation
Computes the numerical derivative on the Chebyshev grid.

11 years ago | 6 downloads |

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Arbitrary Rank Update to Cholesky Factorization
Solves the Cholesky factored system with arbitrary update.

11 years ago | 3 downloads |

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Rank-2 update to LU Factorization
Solve an LU-factorized system with rank-2 update.

11 years ago | 1 downloads |

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Radial Quadrature and Spectral Methods
Weights, nodes, and spectral methods matices for radial problems

11 years ago | 1 downloads |

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1-D Unstructured Finite Differences
Computes 3-, 5-, and 7-point FD matrices for unstructured grids

11 years ago | 1 downloads |

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Gegenbauer-Gauss-Lobatto Quadrature
Computes weights and nodes for Gegenbauer-Gauss-Lobatto quadrature.

11 years ago | 2 downloads |

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Fast Chebyshev Transform (1D)
Transfroms between nodal and spectral values.

11 years ago | 11 downloads |

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Conformally Mapped Laplacian
Compute eigenfunctions of the laplacian on a conformally mapped square.

11 years ago | 1 downloads |

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Fast Clenshaw-Curtis Quadrature
Computes Clenshaw Curtis weights and nodes using the FFT.

12 years ago | 2 downloads |

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Numerical Integration on an Arbitrary Grid
Computes weights for numerical integration on arbitrary grid points.

12 years ago | 2 downloads |

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Bessel Function Zeros
Computes the first k zeros of the Bessel Function of the 1st and 2nd Kinds.

12 years ago | 68 downloads |

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Weighted Grid Points
Computes the Lobatto points for an arbitrary weight.

12 years ago | 3 downloads |

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2D Wavepacket Time Evolution
Simulates a Gaussian wavepacket in a square domain.

12 years ago | 2 downloads |

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Pseudospectral Differentiation on an Arbitrary Grid
Numerically differentiates a function on an arbitrary grid.

12 years ago | 4 downloads |

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2D Barycentric Lagrange Interpolation
Interpolates a function on a rectangle.

12 years ago | 5 downloads |

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Chebyshev Series Product
Computes the product of two Chebyshev expansions.

12 years ago | 1 downloads |

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Series Product
Computes the product of two power series.

12 years ago | 1 downloads |

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Generalized Linear Differential Operator Commutator
Computes commuted expansion coefficients for linear operators.

12 years ago | 1 downloads |

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Finite Difference Weights
Computes the finite difference for a uniform grid.

12 years ago | 8 downloads |

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Legendre-Pade Approximation
Computes the Legendre Pade approximation to an analytic function.

12 years ago | 4 downloads |

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Chebyshev-Pade Approximation
Computes the rational Chebyshev approximation of a function.

12 years ago | 6 downloads |

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Legendre Collocation Differentiation
Numerically differentiates functions sampled at the LGL nodes.

12 years ago | 8 downloads |

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Chebyshev to Jacobi Conversion
Converts a Chebyshev polynomial expansion to a Jacobi expansion

12 years ago | 2 downloads |

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Jacobi to Chebyshev Conversion
Converts a Jacobi polynomial expansion to a Chebyshev expansion.

12 years ago | 2 downloads |

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