view stripeMatrixPeriodic.m @ 1284:5412fd72a7d8 feature/boundary_optimized_grids

New branch for developing grids based on the boundary optimized sbp opertors
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Wed, 01 Jul 2020 17:44:34 +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