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view stripeMatrixPeriodic.m @ 1116:33c378e508d2

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Bugfix minus sign in Laplace1d Dirichlet penalty.
author Martin Almquist <malmquist@stanford.edu>
date Thu, 02 May 2019 13:25:14 -0700
parents bbf303c1f0cf
children
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% Creates a periodic discretization matrix of size n x n
%  with the values of val on the diagonals diag.
%   A = stripeMatrix(val,diags,n)
function A = stripeMatrixPeriodic(val,diags,n)

    D = ones(n,1)*val;
    A = spdiagsPeriodic(D,diags);
end