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annotate spdiag.m @ 955:92c3c170e90b

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Merged in feature/utux2D (pull request #11) Feature/utux2D Approved-by: Jonatan Werpers <jonatan.werpers@it.uu.se> Approved-by: Martin Almquist <malmquist@stanford.edu> Approved-by: Vidar Stiernström <vidar.stiernstrom@it.uu.se>
author Jonatan Werpers <jonatan.werpers@it.uu.se>
date Mon, 10 Dec 2018 08:29:41 +0000
parents e76321b89c1e
children
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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)
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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
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e76321b89c1e Fix bug in spdiag
Jonatan Werpers <jonatan@werpers.com>
parents: 555
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8 n = length(a)+abs(i);
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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);
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97a638f91fb8 Added function spdiag(). Fixed a bunch of bugs in the Wave2dCurve scheme.
Jonatan Werpers <jonatan@werpers.com>
parents:
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