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comparison +sbp/+implementations/d1_upwind_9.m @ 267:f7ac3cd6eeaa operator_remake

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Sparsified all implementation files, removed all matlab warnings, fixed small bugs on minimum grid points.
author Martin Almquist <martin.almquist@it.uu.se>
date Fri, 09 Sep 2016 14:53:41 +0200
parents bfa130b7abf6
children
comparison
equal deleted inserted replaced
266:bfa130b7abf6 267:f7ac3cd6eeaa
32 Qp(1:8,1:8)=Q_U; 32 Qp(1:8,1:8)=Q_U;
33 Qp(m-7:m,m-7:m)=rot90(Q_U,2)'; %%% This is different from standard SBP 33 Qp(m-7:m,m-7:m)=rot90(Q_U,2)'; %%% This is different from standard SBP
34 34
35 Qm=-Qp'; 35 Qm=-Qp';
36 36
37 e_1=zeros(m,1);e_1(1)=1; 37 e_1=sparse(m,1);e_1(1)=1;
38 e_m=zeros(m,1);e_m(m)=1; 38 e_m=sparse(m,1);e_m(m)=1;
39 39
40 Dp=HI*(Qp-1/2*e_1*e_1'+1/2*e_m*e_m') ; 40 Dp=HI*(Qp-1/2*(e_1*e_1')+1/2*(e_m*e_m')) ;
41 41
42 Dm=HI*(Qm-1/2*e_1*e_1'+1/2*e_m*e_m') ; 42 Dm=HI*(Qm-1/2*(e_1*e_1')+1/2*(e_m*e_m')) ;
43 end 43 end