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annotate stripeMatrixPeriodic.m @ 1213:43f1cd11e8e8 feature/poroelastic

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Add physical normals to AnisotropicCurvilinear
author Martin Almquist <malmquist@stanford.edu>
date Mon, 14 Oct 2019 13:54:50 -0700
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:
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2 % with the values of val on the diagonals diag.
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
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3 % A = stripeMatrix(val,diags,n)
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
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4 function A = stripeMatrixPeriodic(val,diags,n)
7368affc8f78 Add D2 variable periodic for second order.
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;
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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