gl_display


gl_display, an Octave code which displays the abscissas used in a 2D Gauss-Legendre product quadrature rule.

Licensing:

The computer code and data files made available on this web page are distributed under the MIT license

Languages:

gl_display is available in a MATLAB version and an Octave version.

Related Data and Programs:

gl_display_test

box_plot, an Octave code which can color in specified entries of a checkerboard, corresponding to pairs of integer data.

cc_display, an Octave code which displays a Clenshaw Curtis product rule quadrature grids in 2D.

circle_grid_display, an Octave code which reads a matrix of integers, and draws a corresponding grid of circles filled with color.

clenshaw_curtis_rule, an Octave code which defines a Clenshaw Curtis quadrature rule.

grid_display, an Octave code which can display a 2D or 3D grid or sparse grid.

gridlines, an Octave code which gives the user more control over drawing gridlines on a graph than the builtin "grid on" command.

nested_sequence_display, an Octave code which displays a set of nested sequences.

quad_rule, an Octave code which defines quadrature rules.

stroud, an Octave code which defines quadrature rules for a variety of unusual areas, surfaces and volumes in 2D, 3D and N-dimensions.

tensor_grid_display, an Octave code which can display the grid points of a tensor product rule used for interpolation or quadrature, in 1D, 2D or 3D.

triangle_fekete_rule, an Octave code which defines a Fekete rule for quadrature or interpolation over a triangle.

Reference:

  1. Philip Davis, Philip Rabinowitz,
    Methods of Numerical Integration,
    Second Edition,
    Dover, 2007,
    ISBN: 0486453391,
    LC: QA299.3.D28.
  2. Lloyd Trefethen,
    Is Gauss Quadrature Better than Clenshaw-Curtis?

Source Code:


Last revised on 25 January 2019.