Mercurial > repos > public > sbplib

annotate stripeMatrixPeriodic.m @ 1127:0aed89043ad6 feature/laplace_curvilinear_test

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
In LaplaceCurvilinear, use grid spacings from 1d opSets instead of using grid.scaling()
author Martin Almquist <malmquist@stanford.edu>
date Wed, 15 May 2019 16:55:02 -0700
parents bbf303c1f0cf
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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
681
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;
801
bbf303c1f0cf Rename spdaigsVariablePeriodic spdiagsPeriodic
Jonatan Werpers <jonatan@werpers.com>
parents: 681
diff changeset
7 A = spdiagsPeriodic(D,diags);
681
7368affc8f78 Add D2 variable periodic for second order.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
8 end