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view stripeMatrix.m @ 405:4d9d8064e58b feature/SBPInTimeGauss

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Implementation of D1 based on Gauss quadrature formula with 4 nodes.
author Martin Almquist <martin.almquist@it.uu.se>
date Thu, 02 Feb 2017 17:05:43 +0100
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