Mercurial > repos > public > sbplib

annotate +sbp/D2BlockNorm.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 8a625c5a3633
children 4b9310edcdf8
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252
07fa0d6a05bb Renamned class files and added nonequidistant operators.
Martin Almquist <martin.almquist@it.uu.se>
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1 classdef D2BlockNorm < sbp.OpSet
07fa0d6a05bb Renamned class files and added nonequidistant operators.
Martin Almquist <martin.almquist@it.uu.se>
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2 properties
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21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
Martin Almquist <martin.almquist@it.uu.se>
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3 D1 % SBP operator approximating first derivative
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Martin Almquist <martin.almquist@it.uu.se>
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4 H % Norm matrix
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
Martin Almquist <martin.almquist@it.uu.se>
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5 HI % H^-1
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Martin Almquist <martin.almquist@it.uu.se>
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6 Q % Skew-symmetric matrix
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Martin Almquist <martin.almquist@it.uu.se>
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7 e_1 % Left boundary operator
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
Martin Almquist <martin.almquist@it.uu.se>
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8 e_m % Right boundary operator
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
Martin Almquist <martin.almquist@it.uu.se>
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9 D2 % SBP operator for second derivative
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
Martin Almquist <martin.almquist@it.uu.se>
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10 M % Norm matrix, second derivative
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Martin Almquist <martin.almquist@it.uu.se>
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11 S_1 % Left boundary first derivative
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
Martin Almquist <martin.almquist@it.uu.se>
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12 S_m % Right boundary first derivative
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13 m % Number of grid points.
07fa0d6a05bb Renamned class files and added nonequidistant operators.
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14 h % Step size
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15 x % grid
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16 borrowing % Struct with borrowing limits for different norm matrices
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17 end
07fa0d6a05bb Renamned class files and added nonequidistant operators.
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07fa0d6a05bb Renamned class files and added nonequidistant operators.
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20
07fa0d6a05bb Renamned class files and added nonequidistant operators.
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21 methods
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8a625c5a3633 Changed input parameter L (domain length) to lim (cell with domain boundaries)
Martin Almquist <martin.almquist@it.uu.se>
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22 function obj = D2BlockNorm(m,lim,order)
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23
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24 x_l = lim{1};
8a625c5a3633 Changed input parameter L (domain length) to lim (cell with domain boundaries)
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25 x_r = lim{2};
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26 L = x_r-x_l;
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27 obj.h = L/(m-1);
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28 obj.x = linspace(x_l,x_r,m)';
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29
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30 if order == 4
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31 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,...
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
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32 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
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33 sbp.implementations.d2_blocknorm_4(m,obj.h);
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34 elseif order == 6
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35 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,...
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36 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
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37 sbp.implementations.d2_blocknorm_6(m,obj.h);
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38 elseif order == 8
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39 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,...
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
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40 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
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41 sbp.implementations.d2_blocknorm_8(m,obj.h);
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42 elseif order == 10
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43 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,...
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
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44 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
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45 sbp.implementations.d2_blocknorm_10(m,obj.h);
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46 else
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47 error('Invalid operator order %d.',order);
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48 end
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49
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50 obj.m = m;
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51
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52 end
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53 end
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57 end