view stripeMatrixPeriodic.m @ 887:50d5a3843099 feature/timesteppers

Rename package rk4 to rk
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 15 Nov 2018 16:42:58 -0800
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