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diff +sbp/+implementations/d1_upwind_5.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
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--- a/+sbp/+implementations/d1_upwind_5.m	Fri Sep 09 11:03:13 2016 +0200
+++ b/+sbp/+implementations/d1_upwind_5.m	Fri Sep 09 14:53:41 2016 +0200
@@ -23,14 +23,14 @@
     ];
 
     Qp(1:4,1:4)=Q_U;
-    Qp(m-3:m,m-3:m)=flipud( fliplr(Q_U(1:4,1:4) ) )'; %%% This is different from standard SBP
+    Qp(m-3:m,m-3:m)=rot90( Q_U(1:4,1:4) ,2 )'; %%% This is different from standard SBP
 
     Qm=-Qp';
 
-    e_1=zeros(m,1);e_1(1)=1;
-    e_m=zeros(m,1);e_m(m)=1;
+    e_1=sparse(m,1);e_1(1)=1;
+    e_m=sparse(m,1);e_m(m)=1;
 
-    Dp=HI*(Qp-1/2*e_1*e_1'+1/2*e_m*e_m') ;
+    Dp=HI*(Qp-1/2*(e_1*e_1')+1/2*(e_m*e_m')) ;
 
-    Dm=HI*(Qm-1/2*e_1*e_1'+1/2*e_m*e_m') ;
+    Dm=HI*(Qm-1/2*(e_1*e_1')+1/2*(e_m*e_m')) ;
 end