numgrid
numgrid,
an Octave code which
defines and numbers a subset of the nodes in a regular nxn grid
of the [-1,+1]x[-1,+1] unit square.
The regions that can be defined include
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S: the entire square.
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L: the L-shaped domain made from 3/4 of the entire square.
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C: like the 'L', but with a quarter circle in the 4-th square.
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D: the unit disk.
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A: an annulus.
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H: a heart-shaped cardioid.
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B: the exterior of a "Butterfly".
Licensing:
Based on code that is copyright 1984-2015 The MathWorks, Inc.
Languages:
numgrid is available in
a MATLAB version and
an Octave version and
a Python version.
Related Data and Programs:
numgrid_test
Source Code:
Last modified on 30 August 2023.