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annotate spdiag.m @ 572:4a73b2aab91f feature/utux2D

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Edit scheme.Utux: Add interface function. Compatible with new grids. Works with Utux_1D_interface.
author Martin Almquist <martin.almquist@it.uu.se>
date Thu, 31 Aug 2017 14:57:34 +0200
parents 9c0192cf099f
children 8e0067aef5b0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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45
b6cfc04e576c Changed spdiag to be more like matlabs diag.
Jonatan Werpers <jonatan@werpers.com>
parents: 27
diff changeset
1 function A = spdiag(a,i)
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9c0192cf099f Added default argument to spdiag.
Jonatan Werpers <jonatan@werpers.com>
parents: 51
diff changeset
2 default_arg('i',0);
51
0be702829bb9 Generalized spdiag. Added function for createing a banded sparse matrix.
Jonatan Werpers <jonatan@werpers.com>
parents: 45
diff changeset
3 n = length(a)-abs(i);
45
b6cfc04e576c Changed spdiag to be more like matlabs diag.
Jonatan Werpers <jonatan@werpers.com>
parents: 27
diff changeset
4 A = spdiags(a,i,n,n);
27
97a638f91fb8 Added function spdiag(). Fixed a bunch of bugs in the Wave2dCurve scheme.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
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