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diff stripeMatrixPeriodic.m @ 886:8894e9c49e40 feature/timesteppers

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Merge with default for latest changes
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 15 Nov 2018 16:36:21 -0800
parents bbf303c1f0cf
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stripeMatrixPeriodic.m	Thu Nov 15 16:36:21 2018 -0800
@@ -0,0 +1,8 @@
+% Creates a periodic discretization matrix of size n x n
+%  with the values of val on the diagonals diag.
+%   A = stripeMatrix(val,diags,n)
+function A = stripeMatrixPeriodic(val,diags,n)
+
+    D = ones(n,1)*val;
+    A = spdiagsPeriodic(D,diags);
+end
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