Difference between revisions of "Grid polar.m"
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[phi,r,L]=grid_polar(ncircles,rmax) | [phi,r,L]=grid_polar(ncircles,rmax) | ||
| − | == | + | ==Parameters== |
ncircles - number of radial circles | ncircles - number of radial circles | ||
in the grid, an integer | in the grid, an integer | ||
| − | + | ||
rmax - maximum radius that the | rmax - maximum radius that the | ||
grid must reach | grid must reach | ||
| Line 20: | Line 20: | ||
phi - a column vector of polar | phi - a column vector of polar | ||
phi angles, radians | phi angles, radians | ||
| − | + | ||
rmax - a coluim vector of radii | rmax - a coluim vector of radii | ||
| − | + | ||
L - sparse Laplacian operator | L - sparse Laplacian operator | ||
acting on functions defined | acting on functions defined | ||
| Line 28: | Line 28: | ||
same order as the grid | same order as the grid | ||
| − | |||
| − | |||
==See also== | ==See also== | ||
| − | [[grid_igloo.m]], [[grid_fibon.m]], [[grid_plot.m]], [[Kernel_utilities | + | [[grid_igloo.m]], [[grid_fibon.m]], [[grid_plot.m]], [[arclength.m]], [[gaussleg.m]], [[get_hull.m]], [[grid_kron.m]], [[grid_test.m]], [[grid_trian.m]], [[one_vcell_solidangle.m]], [[repulsion.m]], [[shrewd.m]], [[sphtarea.m]], [[sphtrsubd.m]], [[vcell_solidangle.m]], [[voitlander.m]], [[voronoisphere.m]], [[zfs_sampling.m]], [[Kernel_utilities]] |
| + | |||
| + | ''Version 2.11, authors: [[Chadwick Brett]], [[Ilya Kuprov]]'' | ||
Latest revision as of 19:37, 6 June 2026
Generates a balanced polar grid in which the density of
points does not increase towards the centre.
Syntax
[phi,r,L]=grid_polar(ncircles,rmax)
Parameters
ncircles - number of radial circles
in the grid, an integer
rmax - maximum radius that the
grid must reach
Outputs
phi - a column vector of polar
phi angles, radians
rmax - a coluim vector of radii
L - sparse Laplacian operator
acting on functions defined
as vector of values in the
same order as the grid
See also
grid_igloo.m, grid_fibon.m, grid_plot.m, arclength.m, gaussleg.m, get_hull.m, grid_kron.m, grid_test.m, grid_trian.m, one_vcell_solidangle.m, repulsion.m, shrewd.m, sphtarea.m, sphtrsubd.m, vcell_solidangle.m, voitlander.m, voronoisphere.m, zfs_sampling.m, Kernel_utilities
Version 2.11, authors: Chadwick Brett, Ilya Kuprov
