view stripeMatrixPeriodic.m @ 1185:abb1b3ab8c23 feature/rv

Fix incorrect of RungekuttaRvInstage
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 05 Jul 2019 18:12:10 +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