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comparison +sbp/D2BlockNorm.m @ 284:dae8c3a56f5e

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Merged in operator_remake (pull request #2) Operator remake
author Jonatan Werpers <jonatan.werpers@it.uu.se>
date Mon, 12 Sep 2016 12:53:02 +0200
parents 4b9310edcdf8
children e1d11b6a68d8
comparison
equal deleted inserted replaced
282:18c023aaf3f7 284:dae8c3a56f5e
1 classdef D2BlockNorm < sbp.OpSet
2 properties
3 D1 % SBP operator approximating first derivative
4 H % Norm matrix
5 HI % H^-1
6 Q % Skew-symmetric matrix
7 e_l % Left boundary operator
8 e_r % Right boundary operator
9 D2 % SBP operator for second derivative
10 M % Norm matrix, second derivative
11 d1_l % Left boundary first derivative
12 d1_r % Right boundary first derivative
13 m % Number of grid points.
14 h % Step size
15 x % grid
16 borrowing % Struct with borrowing limits for different norm matrices
17 end
18
19
20
21 methods
22 function obj = D2BlockNorm(m,lim,order)
23
24 x_l = lim{1};
25 x_r = lim{2};
26 L = x_r-x_l;
27 obj.h = L/(m-1);
28 obj.x = linspace(x_l,x_r,m)';
29
30 if order == 4
31 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_l,...
32 obj.e_r, obj.M, obj.Q, obj.d1_l, obj.d1_r] = ...
33 sbp.implementations.d2_blocknorm_4(m,obj.h);
34 elseif order == 6
35 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_l,...
36 obj.e_r, obj.M, obj.Q, obj.d1_l, obj.d1_r] = ...
37 sbp.implementations.d2_blocknorm_6(m,obj.h);
38 elseif order == 8
39 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_l,...
40 obj.e_r, obj.M, obj.Q, obj.d1_l, obj.d1_r] = ...
41 sbp.implementations.d2_blocknorm_8(m,obj.h);
42 elseif order == 10
43 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_l,...
44 obj.e_r, obj.M, obj.Q, obj.d1_l, obj.d1_r] = ...
45 sbp.implementations.d2_blocknorm_10(m,obj.h);
46 else
47 error('Invalid operator order %d.',order);
48 end
49
50 obj.m = m;
51
52 end
53 end
54
55
56
57 end