view stripeMatrix.m @ 827:d1e5143d67ed feature/operator_files

add testfor D2 and sign in assemble_op
author Ylva Rydin <ylva.rydin@telia.com>
date Mon, 10 Sep 2018 18:50:29 +0200
parents 5cb99f56f55e
children
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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