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1 /* |
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2 |
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3 Copyright (C) 1996 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 // Written by A. S. Hodel <scotte@eng.auburn.edu> |
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24 |
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25 #ifdef HAVE_CONFIG_H |
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26 #include <config.h> |
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27 #endif |
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28 |
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29 #include <cfloat> |
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30 |
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31 #include "defun-dld.h" |
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32 #include "error.h" |
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33 #include "gripes.h" |
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34 #include "help.h" |
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35 #include "oct-obj.h" |
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36 |
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37 DEFUN_DLD (qzval, args, , |
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38 "X = qzval (A, B)\n\ |
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39 \n\ |
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40 compute generalized eigenvalues of the matrix pencil (A - lambda B).\n\ |
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41 A and B must be real matrices.") |
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42 { |
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43 octave_value retval; |
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44 |
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45 int nargin = args.length (); |
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46 |
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47 if (nargin == 2) |
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48 { |
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49 octave_value arg_a = args(0); |
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50 octave_value arg_b = args(1); |
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51 |
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52 Matrix a = arg_a.matrix_value (); |
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53 Matrix b = arg_b.matrix_value (); |
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54 |
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55 if (! error_state) |
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56 { |
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57 ComplexColumnVector tmp = Qzval (a, b); |
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58 |
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59 if (! error_state) |
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60 retval = tmp; |
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61 } |
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62 } |
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63 else |
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64 print_usage ("qzval"); |
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65 |
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66 return retval; |
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67 } |
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68 |
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69 /* |
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70 ;;; Local Variables: *** |
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71 ;;; mode: C++ *** |
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72 ;;; End: *** |
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73 */ |