view stripeMatrix.m @ 650:8e55298657b9 feature/d1_staggered

Add characteristic BC
author Martin Almquist <malmquist@stanford.edu>
date Wed, 15 Nov 2017 14:56:52 -0800
parents 5cb99f56f55e
children
line wrap: on
line source

% Creates a matrix of size n,m with the values of val on the diagonals diag.
%   A = stripeMatrix(val,diags,n,m)
function A = stripeMatrix(val,diags,n,m)
    default_arg('m',n);

    D = ones(n,1)*val;
    A = spdiags(D,diags,n,m);
end