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annotate spdiag.m @ 998:2b1b944deae1 feature/getBoundaryOp

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Add getBoundaryOperator to all 1d schemes. Did not add getBoundaryQuadrature because it doesnt make sense in 1d (?)
author Martin Almquist <malmquist@stanford.edu>
date Sat, 12 Jan 2019 13:35:19 -0800
parents e76321b89c1e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b6cfc04e576c Changed spdiag to be more like matlabs diag.
Jonatan Werpers <jonatan@werpers.com>
parents: 27
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1 function A = spdiag(a,i)
81
9c0192cf099f Added default argument to spdiag.
Jonatan Werpers <jonatan@werpers.com>
parents: 51
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2 default_arg('i',0);
555
8e0067aef5b0 Make spdiag accept both row and column vectors
Jonatan Werpers <jonatan@werpers.com>
parents: 81
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3
8e0067aef5b0 Make spdiag accept both row and column vectors
Jonatan Werpers <jonatan@werpers.com>
parents: 81
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4 if isrow(a)
8e0067aef5b0 Make spdiag accept both row and column vectors
Jonatan Werpers <jonatan@werpers.com>
parents: 81
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5 a = a';
8e0067aef5b0 Make spdiag accept both row and column vectors
Jonatan Werpers <jonatan@werpers.com>
parents: 81
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6 end
8e0067aef5b0 Make spdiag accept both row and column vectors
Jonatan Werpers <jonatan@werpers.com>
parents: 81
diff changeset
7
798
e76321b89c1e Fix bug in spdiag
Jonatan Werpers <jonatan@werpers.com>
parents: 555
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8 n = length(a)+abs(i);
45
b6cfc04e576c Changed spdiag to be more like matlabs diag.
Jonatan Werpers <jonatan@werpers.com>
parents: 27
diff changeset
9 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:
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10 end