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annotate m-toolbox/classes/@pz/setRI.m @ 40:977eb37f31cb database-connection-manager

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User friendlier errors from utils.mysql.connect
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:03 +0100
parents f0afece42f48
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % SETRI Set the property 'ri' and computes 'f' and 'q'
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: SETRI Set the property 'ri' and computes 'f' and 'q'
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5 %
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6 % CALL: obj = obj.setRI(val);
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7 % obj = setRI(obj, val);
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8 %
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9 % INPUTS: obj - is a pz object
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10 %
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11 % VERSION: $Id: setRI.m,v 1.2 2011/02/18 16:48:54 ingo Exp $
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12 %
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13 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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14
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15 function ii = setRI(ii, val)
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16
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17 %%% decide whether we modify the pz-object, or create a new one.
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18 ii = copy(ii, nargout);
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19
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20 if numel(val) == 1
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21 % add conjugate
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22 val = [val conj(val)];
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23 elseif numel(val) == 2
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24 if val(1) ~= conj(val(2))
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25 error('### Please enter a conjugate pair to specify a complex pole.');
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26 end
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27 else
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28 error('### A pole/zero must be defined with a conjugate pair or a single complex number');
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29 end
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30
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31 %%% set 'ri'
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32 ii.ri = val;
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33 %%% Then compute and set f and Q
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34 [f,q] = pz.ri2fq(ii.ri);
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35 ii.f = f;
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36 ii.q = q;
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37 end