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annotate stripeMatrixPeriodic.m @ 884:7d4f57725192 feature/poroelastic

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Add a getBoundaryOperator method in multiblock.DiffOp that uses the the diffop get_boundary_operator method rather than its properties. Werpers might not like this.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 02 Nov 2018 10:47:03 -0700
parents bbf303c1f0cf
children
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801
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.
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
3 % A = stripeMatrix(val,diags,n)
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
4 function A = stripeMatrixPeriodic(val,diags,n)
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
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:
diff changeset
8 end