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annotate operator_def/assemble_D2.m @ 829:e0913772dc1c feature/operator_files

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Add D2 files
author Ylva Rydin <ylva.rydin@telia.com>
date Mon, 10 Sep 2018 19:25:41 +0200
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829
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
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1 function [D2,e_l,e_r,d1_l,d1_r] = assemble_D2(stencil,h,m)
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
parents:
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2 stencil_variables = read_stencil(stencil);
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
parents:
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3 D2 = assemble_op(stencil_variables.inner_stencil,stencil_variables.boundary_stencils,m,1)/h^2;
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
parents:
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4 [e_l, e_r] = assemble_boundary_op(stencil_variables.e,m);
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
parents:
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5 [d1_l, d1_r] = assemble_boundary_op(stencil_variables.d1,m);
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
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6 d1_l = d1_l/h;
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
parents:
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7 d1_r = -d1_r/h;
e0913772dc1c Add D2 files
Ylva Rydin <ylva.rydin@telia.com>
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8 end