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view stripeMatrixPeriodic.m @ 1111:1a265a376b36 feature/timesteppers

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Clean up time.rk.get_rk4_time_step()
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 10 Apr 2019 22:21:13 +0200
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