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annotate stripeMatrixPeriodic.m @ 1331:60c875c18de3 feature/D2_boundary_opt

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Merge with feature/poroelastic for Elastic schemes
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 10 Mar 2022 16:54:26 +0100
parents bbf303c1f0cf
children
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bbf303c1f0cf Rename spdaigsVariablePeriodic spdiagsPeriodic
Jonatan Werpers <jonatan@werpers.com>
parents: 681
diff changeset
1 % Creates a periodic discretization matrix of size n x n
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7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
2 % with the values of val on the diagonals diag.
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Martin Almquist <malmquist@stanford.edu>
parents:
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3 % A = stripeMatrix(val,diags,n)
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Martin Almquist <malmquist@stanford.edu>
parents:
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4 function A = stripeMatrixPeriodic(val,diags,n)
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Martin Almquist <malmquist@stanford.edu>
parents:
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5
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
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6 D = ones(n,1)*val;
801
bbf303c1f0cf Rename spdaigsVariablePeriodic spdiagsPeriodic
Jonatan Werpers <jonatan@werpers.com>
parents: 681
diff changeset
7 A = spdiagsPeriodic(D,diags);
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7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
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8 end