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annotate operator_def/assemble_op.m @ 830:e15a667ffde2 feature/operator_files

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Add quadrature stencils and operator assembly. Add tests
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Mon, 10 Sep 2018 19:27:27 +0200
parents d1e5143d67ed
children
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827
d1e5143d67ed add testfor D2 and sign in assemble_op
Ylva Rydin <ylva.rydin@telia.com>
parents: 821
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1 function [D] = assemble_op(inner_stencil,boundary_block,m,sign)
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Ylva Rydin <ylva.rydin@telia.com>
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2 [height_b, width_b] = size(boundary_block);
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Ylva Rydin <ylva.rydin@telia.com>
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3 width_i = length(inner_stencil);
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4
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Ylva Rydin <ylva.rydin@telia.com>
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5 max_offset = floor(width_i/2);
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Ylva Rydin <ylva.rydin@telia.com>
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6 diags = -max_offset:max_offset;
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d1e5143d67ed add testfor D2 and sign in assemble_op
Ylva Rydin <ylva.rydin@telia.com>
parents: 821
diff changeset
7
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Ylva Rydin <ylva.rydin@telia.com>
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8 D = stripeMatrix(inner_stencil, diags, m);
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Ylva Rydin <ylva.rydin@telia.com>
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Ylva Rydin <ylva.rydin@telia.com>
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10 D(1:height_b,1:width_b) = boundary_block;
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d1e5143d67ed add testfor D2 and sign in assemble_op
Ylva Rydin <ylva.rydin@telia.com>
parents: 821
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11 D(m-height_b+1:m,m-width_b+1:m) = rot90( sign*boundary_block ,2);
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e15a667ffde2 Add quadrature stencils and operator assembly. Add tests
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 827
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12 end