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comparison +sbp/+implementations/d4_compatible_halfvariable_6.m @ 266:bfa130b7abf6 operator_remake

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Added error message for too few grid points to all implementation files.
author Martin Almquist <martin.almquist@it.uu.se>
date Fri, 09 Sep 2016 11:03:13 +0200
parents 6009f2712d13
children f7ac3cd6eeaa
comparison
equal deleted inserted replaced
265:3e0432b3cb68 266:bfa130b7abf6
23 23
24 % Variable koefficicients are stored in vector: c, size m, 24 % Variable koefficicients are stored in vector: c, size m,
25 % with the unknown stored as c(1), c(2), ..., c_m 25 % with the unknown stored as c(1), c(2), ..., c_m
26 % x=1:h:m*h;x=x'; 26 % x=1:h:m*h;x=x';
27 % c=x.^0; 27 % c=x.^0;
28
29 BP = 6;
30 if(m<2*BP)
31 error(['Operator requires at least ' num2str(2*BP) ' grid points']);
32 end
28 33
29 34
30 H=diag(ones(m,1),0); 35 H=diag(ones(m,1),0);
31 H(1:6,1:6)=diag([13649/43200,12013/8640,2711/4320,5359/4320,7877/8640, ... 36 H(1:6,1:6)=diag([13649/43200,12013/8640,2711/4320,5359/4320,7877/8640, ...
32 43801/43200]); 37 43801/43200]);