view stripeMatrixPeriodic.m @ 1020:5359a61cb4d9 feature/advectionRV

Add utility for constructing the operators used by a discretization emplying RV-stabilization - Add constructDiffOps which creates the operatores used for a scheme with RV-stabilization - Minor clean up in RungekuttaExteriorRV
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 14 Dec 2018 18:33:10 +0100
parents bbf303c1f0cf
children
line wrap: on
line source

% 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