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comparison +sbp/D2Variable.m @ 268:4b9310edcdf8 operator_remake

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Renamned boundary operators!
author Martin Almquist <martin.almquist@it.uu.se>
date Fri, 09 Sep 2016 15:06:03 +0200
parents 8a625c5a3633
children f36d172e196b ded4156e53e2
comparison
equal deleted inserted replaced
267:f7ac3cd6eeaa 268:4b9310edcdf8
2 properties 2 properties
3 D1 % SBP operator approximating first derivative 3 D1 % SBP operator approximating first derivative
4 H % Norm matrix 4 H % Norm matrix
5 HI % H^-1 5 HI % H^-1
6 Q % Skew-symmetric matrix 6 Q % Skew-symmetric matrix
7 e_1 % Left boundary operator 7 e_l % Left boundary operator
8 e_m % Right boundary operator 8 e_r % Right boundary operator
9 D2 % SBP operator for second derivative 9 D2 % SBP operator for second derivative
10 M % Norm matrix, second derivative 10 M % Norm matrix, second derivative
11 S_1 % Left boundary first derivative 11 d1_l % Left boundary first derivative
12 S_m % Right boundary first derivative 12 d1_r % Right boundary first derivative
13 m % Number of grid points. 13 m % Number of grid points.
14 h % Step size 14 h % Step size
15 x % grid 15 x % grid
16 borrowing % Struct with borrowing limits for different norm matrices 16 borrowing % Struct with borrowing limits for different norm matrices
17 end 17 end
25 obj.h = L/(m-1); 25 obj.h = L/(m-1);
26 obj.x = linspace(x_l,x_r,m)'; 26 obj.x = linspace(x_l,x_r,m)';
27 27
28 switch order 28 switch order
29 case 4 29 case 4
30 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,... 30 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_l,...
31 obj.e_m, obj.S_1, obj.S_m] = ... 31 obj.e_r, obj.d1_l, obj.d1_r] = ...
32 sbp.implementations.d2_variable_4(m,obj.h); 32 sbp.implementations.d2_variable_4(m,obj.h);
33 obj.borrowing.M.S = 0.2505765857; 33 obj.borrowing.M.S = 0.2505765857;
34 otherwise 34 otherwise
35 error('Invalid operator order %d.',order); 35 error('Invalid operator order %d.',order);
36 end 36 end