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comparison +sbp/D1_nonequidistant_minimal.m @ 252:07fa0d6a05bb operator_remake

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Renamned class files and added nonequidistant operators.
author Martin Almquist <martin.almquist@it.uu.se>
date Wed, 07 Sep 2016 13:40:41 +0200
parents
children 5b6dfa8a743d
comparison
equal deleted inserted replaced
251:6a5e94bb5e13 252:07fa0d6a05bb
1 classdef D1_nonequidistant_minimal < sbp.OpSet
2 properties
3 norms % Struct containing norm matrices such as H,Q, M
4 boundary % Struct contanging vectors for boundry point approximations
5 derivatives % Struct containging differentiation operators
6 borrowing % Struct with borrowing limits for different norm matrices
7 m % Number of grid points.
8 h % Step size
9 x % grid
10 end
11
12 methods
13 function obj = D1_nonequidistant_minimal(m,L,order)
14
15 if order == 4
16 [D1,H,grid,dx] = D1_minimal_4th_3BP_1shifts(m,L);
17 elseif order == 6
18 [D1,H,grid,dx] = D1_minimal_6th_5BP_2shifts(m,L);
19 elseif order == 8
20 [D1,H,grid,dx] = D1_minimal_8th_6BP_2shifts(m,L);
21 elseif order == 10
22 [D1,H,grid,dx] = D1_minimal_10th_8BP_3shifts(m,L);
23 elseif order == 12
24 [D1,H,grid,dx] = D1_minimal_12th_10BP_4shifts(m,L);
25 else
26 error('Invalid operator order %d.',order);
27 end
28
29 Q = H*D1;
30 e_1 = sparse(m,1);
31 e_m = sparse(m,1);
32 e_1(1) = 1;
33 e_m(m) = 1;
34
35 obj.h = dx;
36 obj.m = m;
37 obj.x = grid;
38
39 obj.norms.H = H;
40 obj.norms.HI = HI;
41 obj.norms.Q = Q;
42
43 obj.boundary.e_1 = e_1;
44 obj.boundary.e_m = e_m;
45
46 obj.derivatives.D1 = D1;
47 end
48 end
49
50 methods (Static)
51 function lambda = smallestGrid(obj)
52 error('Not implmented')
53 end
54 end
55 end
56
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