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Last change
on this file since 6098 was 6098, checked in by Eric.Larour, 15 years ago |
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new asm solvers using jacobi preconditioner
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File size:
844 bytes
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| 1 | function options=jacobiasmoptions(varargin)
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| 2 | %ASMOPTIONS - return Additive Shwartz Method with Jacobi preconditioner petsc options
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| 3 | %
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| 4 | % Usage:
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| 5 | % options=jacobiasmoptions;
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| 6 |
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| 7 | %retrieve options provided in varargin
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| 8 | arguments=pairoptions(varargin{:});
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| 9 |
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| 10 | %default jacobiasm options
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| 11 | options={{'mat_type','aij'},{'ksp_type','gmres'},{'pc_type','asm'},{'sub_pc_type','jacobi'},{'pc_asm_overlap',3},{'ksp_max_it',100},{'ksp_rtol',1e-15'}};
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| 12 |
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| 13 | %now, go through our arguments, and write over default options.
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| 14 | for i=1:size(arguments.list,1),
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| 15 | arg1=arguments.list{i,1};
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| 16 | arg2=arguments.list{i,2};
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| 17 | found=0;
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| 18 | for j=1:size(options,2),
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| 19 | joption=options{j};
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| 20 | if strcmpi(joption{1},arg1),
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| 21 | joption{2}=arg2;
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| 22 | options{j}=joption;
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| 23 | found=1;
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| 24 | break;
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| 25 | end
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| 26 | end
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| 27 | if ~found,
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| 28 | %this option did not exist, add it:
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| 29 | options{end+1}={arg1,arg2};
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| 30 | end
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| 31 | end
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