Mercurial > octave-nkf
annotate liboctave/dDiagMatrix.h @ 8710:739141cde75a ss-3-1-52
fix typo in Array-f.cc
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Mon, 09 Feb 2009 21:51:31 +0100 |
| parents | e3c9102431a9 |
| children | 20dfb885f877 |
| rev | line source |
|---|---|
| 458 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, 2006, |
| 4 2007 John W. Eaton | |
| 458 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 458 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 458 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_DiagMatrix_h) | |
| 25 #define octave_DiagMatrix_h 1 | |
| 26 | |
| 1989 | 27 #include "MDiagArray2.h" |
| 458 | 28 |
| 29 #include "dRowVector.h" | |
| 30 #include "dColVector.h" | |
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parents:
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31 #include "DET.h" |
| 458 | 32 |
| 33 #include "mx-defs.h" | |
| 34 | |
| 3585 | 35 class |
| 6108 | 36 OCTAVE_API |
| 3585 | 37 DiagMatrix : public MDiagArray2<double> |
| 458 | 38 { |
| 39 friend class SVD; | |
| 40 friend class ComplexSVD; | |
| 41 | |
| 42 public: | |
| 43 | |
| 1989 | 44 DiagMatrix (void) : MDiagArray2<double> () { } |
| 3585 | 45 |
| 5275 | 46 DiagMatrix (octave_idx_type r, octave_idx_type c) : MDiagArray2<double> (r, c) { } |
| 3585 | 47 |
| 5275 | 48 DiagMatrix (octave_idx_type r, octave_idx_type c, double val) : MDiagArray2<double> (r, c, val) { } |
| 3585 | 49 |
| 50 DiagMatrix (const DiagMatrix& a) : MDiagArray2<double> (a) { } | |
| 51 | |
| 1989 | 52 DiagMatrix (const MDiagArray2<double>& a) : MDiagArray2<double> (a) { } |
| 3585 | 53 |
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54 template <class U> |
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55 DiagMatrix (const DiagArray2<U>& a) : MDiagArray2<double> (a) { } |
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56 |
| 3585 | 57 explicit DiagMatrix (const RowVector& a) : MDiagArray2<double> (a) { } |
| 58 | |
| 59 explicit DiagMatrix (const ColumnVector& a) : MDiagArray2<double> (a) { } | |
| 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; | |
| 96 DiagMatrix inverse (int& info) const; | |
| 97 | |
| 1359 | 98 // other operations |
| 458 | 99 |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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100 ColumnVector diag (octave_idx_type k = 0) const |
|
e3c9102431a9
fix design problems of diag & perm matrix classes
Jaroslav Hajek <highegg@gmail.com>
parents:
8371
diff
changeset
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101 { return MDiagArray2<double>::diag (k); } |
| 458 | 102 |
|
8371
c3f7e2549abb
make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
8367
diff
changeset
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103 DET determinant (void) const; |
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make det & inv aware of diagonal & permutation matrices
Jaroslav Hajek <highegg@gmail.com>
parents:
8367
diff
changeset
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104 double rcond (void) const; |
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Jaroslav Hajek <highegg@gmail.com>
parents:
8366
diff
changeset
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105 |
| 1359 | 106 // i/o |
| 458 | 107 |
| 6153 | 108 friend OCTAVE_API std::ostream& operator << (std::ostream& os, const DiagMatrix& a); |
| 458 | 109 |
| 110 private: | |
| 111 | |
| 5275 | 112 DiagMatrix (double *d, octave_idx_type nr, octave_idx_type nc) : MDiagArray2<double> (d, nr, nc) { } |
| 458 | 113 }; |
| 114 | |
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8366
8b1a2555c4e2
implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
7789
diff
changeset
|
115 OCTAVE_API DiagMatrix real (const ComplexDiagMatrix& a); |
|
8b1a2555c4e2
implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
7789
diff
changeset
|
116 OCTAVE_API DiagMatrix imag (const ComplexDiagMatrix& a); |
|
8b1a2555c4e2
implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
7789
diff
changeset
|
117 |
| 3504 | 118 // diagonal matrix by diagonal matrix -> diagonal matrix operations |
| 119 | |
| 120 DiagMatrix | |
| 121 operator * (const DiagMatrix& a, const DiagMatrix& b); | |
| 122 | |
| 3580 | 123 MDIAGARRAY2_FORWARD_DEFS (MDiagArray2, DiagMatrix, double) |
| 124 | |
| 458 | 125 #endif |
| 126 | |
| 127 /* | |
| 128 ;;; Local Variables: *** | |
| 129 ;;; mode: C++ *** | |
| 130 ;;; End: *** | |
| 131 */ |