view stripeMatrixPeriodic.m @ 1342:d1dad4fbfe22 feature/D2_boundary_opt

Add support for glue interpolation operators, and separate wave speeds across interfaces
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 26 Aug 2022 14:19:29 +0200
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