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view stripeMatrix.m @ 1269:5fa2f62a58a1 feature/poroelastic

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Add class for upwind D1 based on the standard norm matrices
author Martin Almquist <malmquist@stanford.edu>
date Sun, 31 May 2020 20:16:54 -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