**gl_display_test**,
a MATLAB code which
calls gl_display(), which
displays the abscissas used in a 2D Gauss-Legendre product quadrature rule.

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

gl_display, a MATLAB code which displays the points used in a 2D Gauss-Legendre quadrature rule;

- gl_display_test.m, calls all the tests;
- gl_display_test.sh, runs all the tests;
- gl_display_test.txt, the output file;

**GL_GRID_SQUARE_DISPLAY** displays Gauss-Legendre grids in which
the orders of each dimension are equal.

- gl_grid_square_21x21.png, a PNG image of a 21 by 21 Gauss Legendre "square" grid.

**GL_GRID_DISPLAY** displays Gauss-Legendre grids in which
the orders of each dimension are arbitrary.

- gl_grid_1x5.png, a PNG image of a 1 by 5 Gauss Legendre grid.
- gl_grid_5x3.png, a PNG image of a 5 by 3 Gauss Legendre grid.
- gl_grid_10x20.png, a PNG image of a 10 by 20 Gauss Legendre grid.

**GL_GRIDS_MINMAX_DISPLAY** displays all Gauss-Legendre grids in which
the orders of each dimension sum to a value Q between QMIN and QMAX.

- gl_grids_minmax_2to5.png, a PNG image of Gauss Legendre grids with Q between 2 and 5.
- gl_grids_minmax_3to5.png, a PNG image of Gauss Legendre grids with Q between 3 and 5.
- gl_grids_minmax_4to5.png, a PNG image of Gauss Legendre grids with Q between 4 and 5.
- gl_grids_minmax_5to5.png, a PNG image of Gauss Legendre grids with Q between 5 and 5.

**GL_LEVELS_MINMAX_DISPLAY** displays all Gauss-Legendre grids
in which the levels of each dimension sum to a value LEVEL
between LEVEL_MIN and LEVEL_MAX.

- gl_levels_minmax_0to6.png, a PNG image of Gauss Legendre grids with LEVEL between 0 and 6.
- gl_levels_minmax_3to3.png, a PNG image of Gauss Legendre grids with LEVEL between 3 and 3.
- gl_levels_minmax_4to4.png, a PNG image of Gauss Legendre grids with LEVEL between 4 and 4.
- gl_levels_minmax_5to5.png, a PNG image of Gauss Legendre grids with LEVEL between 5 and 5.
- gl_levels_minmax_6to6.png, a PNG image of Gauss Legendre grids with LEVEL between 6 and 6.