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view stripeMatrix.m @ 754:5264ce57b573 feature/d1_staggered

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Bugfix diracDiscr to make it work for grids that are non-equidistant near boundaries.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 15 Jun 2018 14:01:13 -0700
parents 5cb99f56f55e
children
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% 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