annotate spzeros.m @ 1037:2d7ba44340d0 feature/burgers1d

Pass scheme specific parameters as cell array. This will enabale constructDiffOps to be more general. In addition, allow for schemes returning function handles as diffOps, which is currently how non-linear schemes such as Burgers1d are implemented.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 18 Jan 2019 09:02:02 +0100
parents 13d2f20c0c0d
children
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13d2f20c0c0d Add a function spzeros()
Jonatan Werpers <jonatan@werpers.com>
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1 function S = spzeros(varargin)
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2 switch length(varargin)
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3 case 2
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4 S = sparse(varargin{1}, varargin{2});
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5 case 1
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6 v = varargin{1};
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7 switch length(v)
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8 case 1
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9 S = sparse(v,v);
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10 case 2
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11 S = sparse(v(1), v(2));
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12 otherwise
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13 error('Input must be either one integer, two integers or a vector with two integers');
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14 end
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15 otherwise
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16 error('Too many input arguments.');
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17 end
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18 end