Mercurial > hg > octave-nkf
annotate liboctave/dDiagMatrix.h @ 11542:695141f1c05c ss-3-3-55
snapshot 3.3.55
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Sat, 15 Jan 2011 04:53:04 -0500 |
| parents | fd0a3ac60b0e |
| children | 12df7854fa7c |
| rev | line source |
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| 458 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 1994-2011 John W. Eaton |
| 458 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 458 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 458 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_DiagMatrix_h) | |
| 24 #define octave_DiagMatrix_h 1 | |
| 25 | |
| 1989 | 26 #include "MDiagArray2.h" |
| 458 | 27 |
| 28 #include "dRowVector.h" | |
| 29 #include "dColVector.h" | |
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30 #include "DET.h" |
| 458 | 31 |
| 32 #include "mx-defs.h" | |
| 33 | |
| 3585 | 34 class |
| 6108 | 35 OCTAVE_API |
| 3585 | 36 DiagMatrix : public MDiagArray2<double> |
| 458 | 37 { |
| 38 friend class SVD; | |
| 39 friend class ComplexSVD; | |
| 40 | |
| 41 public: | |
| 42 | |
| 1989 | 43 DiagMatrix (void) : MDiagArray2<double> () { } |
| 3585 | 44 |
| 5275 | 45 DiagMatrix (octave_idx_type r, octave_idx_type c) : MDiagArray2<double> (r, c) { } |
| 3585 | 46 |
| 5275 | 47 DiagMatrix (octave_idx_type r, octave_idx_type c, double val) : MDiagArray2<double> (r, c, val) { } |
| 3585 | 48 |
| 49 DiagMatrix (const DiagMatrix& a) : MDiagArray2<double> (a) { } | |
| 50 | |
| 1989 | 51 DiagMatrix (const MDiagArray2<double>& a) : MDiagArray2<double> (a) { } |
| 3585 | 52 |
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53 template <class U> |
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54 DiagMatrix (const DiagArray2<U>& a) : MDiagArray2<double> (a) { } |
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55 |
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56 explicit DiagMatrix (const Array<double>& a) : MDiagArray2<double> (a) { } |
| 3585 | 57 |
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58 DiagMatrix (const Array<double>& a, octave_idx_type r, octave_idx_type c) |
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59 : MDiagArray2<double> (a, r, c) { } |
| 458 | 60 |
| 61 DiagMatrix& operator = (const DiagMatrix& a) | |
| 62 { | |
| 1989 | 63 MDiagArray2<double>::operator = (a); |
| 458 | 64 return *this; |
| 65 } | |
| 66 | |
| 2385 | 67 bool operator == (const DiagMatrix& a) const; |
| 68 bool operator != (const DiagMatrix& a) const; | |
| 458 | 69 |
| 70 DiagMatrix& fill (double val); | |
| 5275 | 71 DiagMatrix& fill (double val, octave_idx_type beg, octave_idx_type end); |
| 458 | 72 DiagMatrix& fill (const ColumnVector& a); |
| 73 DiagMatrix& fill (const RowVector& a); | |
| 5275 | 74 DiagMatrix& fill (const ColumnVector& a, octave_idx_type beg); |
| 75 DiagMatrix& fill (const RowVector& a, octave_idx_type beg); | |
| 458 | 76 |
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77 DiagMatrix transpose (void) const { return MDiagArray2<double>::transpose(); } |
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78 DiagMatrix abs (void) const; |
| 458 | 79 |
| 6153 | 80 friend OCTAVE_API DiagMatrix real (const ComplexDiagMatrix& a); |
| 81 friend OCTAVE_API DiagMatrix imag (const ComplexDiagMatrix& a); | |
| 1205 | 82 |
| 1359 | 83 // resize is the destructive analog for this one |
| 458 | 84 |
| 5275 | 85 Matrix extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const; |
| 458 | 86 |
| 1359 | 87 // extract row or column i. |
| 458 | 88 |
| 5275 | 89 RowVector row (octave_idx_type i) const; |
| 458 | 90 RowVector row (char *s) const; |
| 91 | |
| 5275 | 92 ColumnVector column (octave_idx_type i) const; |
| 458 | 93 ColumnVector column (char *s) const; |
| 94 | |
| 95 DiagMatrix inverse (void) const; | |
| 8811 | 96 DiagMatrix inverse (octave_idx_type& info) const; |
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97 DiagMatrix pseudo_inverse (void) const; |
| 458 | 98 |
| 1359 | 99 // other operations |
| 458 | 100 |
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101 ColumnVector diag (octave_idx_type k = 0) const |
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102 { return MDiagArray2<double>::diag (k); } |
| 458 | 103 |
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104 DET determinant (void) const; |
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105 double rcond (void) const; |
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106 |
| 1359 | 107 // i/o |
| 458 | 108 |
| 6153 | 109 friend OCTAVE_API std::ostream& operator << (std::ostream& os, const DiagMatrix& a); |
| 458 | 110 |
| 111 }; | |
| 112 | |
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113 OCTAVE_API DiagMatrix real (const ComplexDiagMatrix& a); |
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114 OCTAVE_API DiagMatrix imag (const ComplexDiagMatrix& a); |
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115 |
| 3504 | 116 // diagonal matrix by diagonal matrix -> diagonal matrix operations |
| 117 | |
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118 OCTAVE_API DiagMatrix |
| 3504 | 119 operator * (const DiagMatrix& a, const DiagMatrix& b); |
| 120 | |
| 3580 | 121 MDIAGARRAY2_FORWARD_DEFS (MDiagArray2, DiagMatrix, double) |
| 122 | |
| 458 | 123 #endif |