view stripeMatrix.m @ 1137:2ff1f366e64a feature/laplace_curvilinear_test

Fix minimum and correct borrowing in VirtaMin scheme.
author Martin Almquist <malmquist@stanford.edu>
date Mon, 10 Jun 2019 13:27:29 +0200
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