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annotate +sbp/D2BlockNorm.m @ 263:21a180acbd49 operator_remake

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Renamed standard class to D2Standard etc, Rewrote class properties.
author Martin Almquist <martin.almquist@it.uu.se>
date Thu, 08 Sep 2016 17:50:30 +0200
parents 23051a86faa4
children 8a625c5a3633
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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.
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2 properties
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Martin Almquist <martin.almquist@it.uu.se>
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3 D1 % SBP operator approximating first derivative
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4 H % Norm matrix
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5 HI % H^-1
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6 Q % Skew-symmetric matrix
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7 e_1 % Left boundary operator
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8 e_m % Right boundary operator
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9 D2 % SBP operator for second derivative
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10 M % Norm matrix, second derivative
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11 S_1 % Left boundary first derivative
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12 S_m % Right boundary first derivative
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13 m % Number of grid points.
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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
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20
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21 methods
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22 function obj = D2BlockNorm(m,L,order)
21a180acbd49 Renamed standard class to D2Standard etc, Rewrote class properties.
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23
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24 obj.h = L/(m-1);
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25 obj.x = linspace(0,L,m)';
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26
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27 if order == 4
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28 [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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29 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
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30 sbp.implementations.d2_blocknorm_4(m,obj.h);
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31 elseif order == 6
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32 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,...
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33 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
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34 sbp.implementations.d2_blocknorm_6(m,obj.h);
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35 elseif order == 8
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36 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,...
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37 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
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38 sbp.implementations.d2_blocknorm_8(m,obj.h);
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39 elseif order == 10
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40 [obj.H, obj.HI, obj.D1, obj.D2, obj.e_1,...
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41 obj.e_m, obj.M, obj.Q, obj.S_1, obj.S_m] = ...
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42 sbp.implementations.d2_blocknorm_10(m,obj.h);
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43 else
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44 error('Invalid operator order %d.',order);
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45 end
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47 obj.m = m;
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48
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49 end
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50 end
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54 end