annotate stripeMatrixPeriodic.m @ 800:87ea9cac3287 feature/poroelastic

Make spdiagVariable a local functions
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 26 Jul 2018 17:53:51 -0700
parents 7368affc8f78
children bbf303c1f0cf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
681
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
1 % Creates a periodic discretization matrix of size n x n
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:
diff changeset
6 D = ones(n,1)*val;
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
7 A = spdiagsVariablePeriodic(D,diags);
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
8 end