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annotate +grid/funcToComponents.m @ 1031:2ef20d00b386 feature/advectionRV

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For easier comparison, return both the first order and residual viscosity when evaluating the residual. Add the first order and residual viscosity to the state of the RungekuttaRV time steppers
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 17 Jan 2019 10:25:06 +0100
parents 3ea2ae2a3d15
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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275
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
1 % funcToComponents converts a grid function to a N x k matrix, where
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
2 % k is the number of vector components of the gridfunction and N is the
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
3 % number of points in the grid.
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
4 %
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
5 % Takes a grid function and and a grid.
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
6 function F = funcToComponents(g, gf);
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
7 F = reshapeRowMaj(gf, [g.N, length(gf)/g.N]);
3ea2ae2a3d15 Improvments to eval on grids. Added function to extrac components of a vector gf.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
8 end