Mercurial > repos > public > sbplib
annotate stripeMatrixPeriodic.m @ 797:5cf9fdf4c98f feature/poroelastic
Merge with feature/grids and bugfix bcSetup
author | Martin Almquist <malmquist@stanford.edu> |
---|---|
date | Thu, 26 Jul 2018 10:53:05 -0700 |
parents | 7368affc8f78 |
children | bbf303c1f0cf |
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 |