Mercurial > repos > public > sbplib
diff +sbp/+implementations/d1_upwind_3.m @ 425:e56dbd9e4196 feature/grids
Merge feature/beams
author | Jonatan Werpers <jonatan@werpers.com> |
---|---|
date | Tue, 07 Feb 2017 16:09:02 +0100 |
parents | 52b4cdf27633 |
children |
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--- a/+sbp/+implementations/d1_upwind_3.m Tue Feb 07 15:47:51 2017 +0100 +++ b/+sbp/+implementations/d1_upwind_3.m Tue Feb 07 16:09:02 2017 +0100 @@ -1,12 +1,12 @@ function [H, HI, Dp, Dm, e_1, e_m] = d1_upwind_3(m,h) - + if(m<6) error('Operator requires at least 6 grid points'); end Hv = ones(m,1); Hv(1:3) = [3/8; 7/6; 23/24]; - Hv(m-2:m) = rot90(Hv(1:3),2); + Hv(m-2:m) = rot90(Hv(1:3), 2); Hv = Hv*h; H = spdiag(Hv,0); HI = spdiag(1./Hv,0);