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view stripeMatrix.m @ 619:9dd49d622a4c feature/grids

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Add a function for easily applying many boundary conditions at the same time
author Jonatan Werpers <jonatan@werpers.com>
date Fri, 20 Oct 2017 16:01:43 +0200
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