Mercurial > repos > public > sbplib

view stripeMatrix.m @ 1297:e53b1e25970a feature/boundary_optimized_grids

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Change +sbp/+util/ to +sbp/+grid and change function names to camel case
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Tue, 07 Jul 2020 16:08:08 +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