view stripeMatrixPeriodic.m @ 1254:204b47c51bf8 feature/FMMlabb

Add annulus
author Ylva Rydin <ylva.rydin@telia.com>
date Wed, 22 Jan 2020 15:18:11 +0100
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