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annotate +parametrization/old/triang_map.m @ 1198:2924b3a9b921 feature/d2_compatible

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Add OpSet for fully compatible D2Variable, created from regular D2Variable by replacing d1 by first row of D1. Formal reduction by one order of accuracy at the boundary point.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 16 Aug 2019 14:30:28 -0700
parents 3a3cf386bb7e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 % Creates a grid [X,Y] from the mapping function S at points in vectors u,v
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2 function [X, Y] = traing_map(S,u,v)
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3 error('not done')
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4 if nargin == 2
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5 v = u;
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6 end
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7
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8 if isscalar(u)
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9 u = linspace(0,1,u);
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10 end
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11
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12 if isscalar(v)
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13 v = linspace(0,1,v);
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14 end
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15
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16 nu = length(u);
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17 nv = length(v);
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19 X = zeros(nu,nv);
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20 Y = zeros(nu,nv);
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21
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22 for i = 1:nu
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23 for j = 1:nv
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24 [x,y] = S(u(i),v(j));
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25 X(i,j) = x;
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26 Y(i,j) = y;
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27 end
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28 end
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29 end