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view operator_def/assemble_op.m @ 827:d1e5143d67ed feature/operator_files

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add testfor D2 and sign in assemble_op
author Ylva Rydin <ylva.rydin@telia.com>
date Mon, 10 Sep 2018 18:50:29 +0200
parents 95c26000c0ba
children e15a667ffde2
line wrap: on
line source

function [D] = assemble_op(inner_stencil,boundary_block,m,sign)  
  [height_b, width_b] = size(boundary_block);
  width_i = length(inner_stencil);
  
  max_offset = floor(width_i/2);
  diags = -max_offset:max_offset;
   
  D = stripeMatrix(inner_stencil, diags, m);
  
  D(1:height_b,1:width_b) = boundary_block;
  D(m-height_b+1:m,m-width_b+1:m) = rot90( sign*boundary_block ,2);
end