Mercurial > repos > public > sbplib

view stripeMatrix.m @ 761:8ed102db8e9c feature/d1_staggered

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add discont interface in 1D acoustics staggered, using the hat variable interface coupling.
author Martin Almquist <malmquist@stanford.edu>
date Mon, 18 Jun 2018 16:36:24 -0700
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