Mercurial > hg > octave-nkf
annotate doc/liboctave/array.texi @ 19799:f3ac54ac2c6a
also skip startup message if session is not interactive
* octave.cc (octave_initialize_interpreter): If session is not
interactive or forced interactive, set inhibit_startup_message to
true.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 21 Jan 2015 12:36:25 -0500 |
| parents | 446c46af4b42 |
| children | 4197fc428c7d |
| rev | line source |
|---|---|
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1 @c Copyright (C) 1996-2013 John W. Eaton |
| 7018 | 2 @c |
| 3 @c This file is part of Octave. | |
| 4 @c | |
| 5 @c Octave is free software; you can redistribute it and/or modify it | |
| 6 @c under the terms of the GNU General Public License as published by the | |
| 7 @c Free Software Foundation; either version 3 of the License, or (at | |
| 8 @c your option) any later version. | |
|
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9 @c |
| 7018 | 10 @c Octave is distributed in the hope that it will be useful, but WITHOUT |
| 11 @c ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 @c FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 @c for more details. | |
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14 @c |
| 7018 | 15 @c You should have received a copy of the GNU General Public License |
| 16 @c along with Octave; see the file COPYING. If not, see | |
| 17 @c <http://www.gnu.org/licenses/>. | |
| 18 | |
| 3178 | 19 @node Arrays, Matrix and Vector Operations, Introduction, Top |
| 2333 | 20 @chapter Arrays |
| 21 @cindex arrays | |
| 22 | |
| 23 @menu | |
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24 * Constructors and Assignment:: |
| 2333 | 25 @end menu |
| 26 | |
| 27 @node Constructors and Assignment, , Arrays, Arrays | |
| 28 @section Constructors and Assignment | |
| 29 | |
| 3920 | 30 @deftypefn Constructor {} Array<T> (void) |
| 2333 | 31 Create an array with no elements. |
| 32 @end deftypefn | |
| 33 | |
| 3920 | 34 @deftypefn Constructor {} Array<T> (int @var{n} [, const T &@var{val}]) |
| 2333 | 35 Create an array with @var{n} elements. If the optional argument |
| 36 @var{val} is supplied, the elements are initialized to @var{val}; | |
| 37 otherwise, they are left uninitialized. If @var{n} is less than zero, | |
| 38 the current error handler is invoked (@pxref{Error Handling}). | |
| 39 @end deftypefn | |
| 40 | |
| 3920 | 41 @deftypefn Constructor {} Array<T> (const Array<T> &@var{a}) |
| 2333 | 42 Create a copy of the @var{Array<T>} object @var{a}. Memory for the |
| 43 @var{Array<T>} class is managed using a reference counting scheme, so | |
| 44 the cost of this operation is independent of the size of the array. | |
| 45 @end deftypefn | |
| 46 | |
| 3920 | 47 @deftypeop Assignment Array<T> Array<T>& {operator =} (const Array<T> &@var{a}) |
| 2333 | 48 Assignment operator. Memory for the @var{Array<T>} class is managed |
| 49 using a reference counting scheme, so the cost of this operation is | |
| 50 independent of the size of the array. | |
| 3920 | 51 @end deftypeop |
| 2333 | 52 |
| 3920 | 53 @deftypemethod Array<T> int capacity (void) const |
| 54 @deftypemethodx Array<T> int length (void) const | |
| 2333 | 55 Return the length of the array. |
| 3920 | 56 @end deftypemethod |
| 2333 | 57 |
| 3920 | 58 @deftypemethod Array<T> T& elem (int @var{n}) |
| 59 @deftypemethodx Array<T> T& checkelem (int @var{n}) | |
| 2333 | 60 If @var{n} is within the bounds of the array, return a reference to the |
| 61 element indexed by @var{n}; otherwise, the current error handler is | |
| 62 invoked (@pxref{Error Handling}). | |
| 3920 | 63 @end deftypemethod |
| 2333 | 64 |
| 3920 | 65 @deftypeop Indexing Array<T> T& {operator ()} (int @var{n}) |
| 66 @end deftypeop | |
| 67 | |
| 68 @deftypemethod Array<T> T elem (int @var{n}) const | |
| 69 @deftypemethodx Array<T> T checkelem (int @var{n}) const | |
| 2333 | 70 If @var{n} is within the bounds of the array, return the value indexed |
| 71 by @var{n}; otherwise, call the current error handler. | |
| 72 @xref{Error Handling}. | |
| 3920 | 73 @end deftypemethod |
| 2333 | 74 |
| 3920 | 75 @deftypeop Indexing Array<T> T {operator ()} (int @var{n}) const |
| 76 @end deftypeop | |
| 77 | |
| 78 @deftypemethod Array<T> T& xelem (int @var{n}) | |
| 79 @deftypemethodx Array<T> T xelem (int @var{n}) const | |
| 2333 | 80 Return a reference to, or the value of, the element indexed by @var{n}. |
| 81 These methods never perform bounds checking. | |
| 3920 | 82 @end deftypemethod |
| 2333 | 83 |
| 3920 | 84 @deftypemethod Array<T> void resize {(int @var{n} [, const T &@var{val}])} |
| 2333 | 85 Change the size of the array to be @var{n} elements. All elements are |
| 86 unchanged, except that if @var{n} is greater than the current size and | |
| 87 the optional argument @var{val} is provided, the additional elements are | |
| 88 initialized to @var{val}; otherwise, any additional elements are left | |
| 89 uninitialized. In the current implementation, if @var{n} is less than | |
| 90 the current size, the length is updated but no memory is released. | |
| 3920 | 91 @end deftypemethod |
| 2333 | 92 |
| 3920 | 93 @deftypemethod Array<T> {const T*} data (void) const |
| 94 @end deftypemethod | |
| 2333 | 95 |
| 96 @c Should this be public? | |
| 97 @c | |
| 98 @c T *fortran_vec (void) | |
| 99 | |
| 3920 | 100 @deftypefn Constructor {} Array2<T> Array2<T> Array2 (void) |
| 101 @deftypefnx Constructor {} Array2<T> (int @var{n}, int @var{m}) | |
| 102 @deftypefnx Constructor {} Array2<T> (int @var{n}, int @var{m}, const T &@var{val}) | |
| 103 @deftypefnx Constructor {} Array2<T> (const Array2<T> &@var{a}) | |
| 104 @deftypefnx Constructor {} Array2<T> (const DiagArray<T> &@var{a}) | |
| 2333 | 105 @end deftypefn |
| 106 | |
| 3920 | 107 @deftypeop Assignment Array2<T> Array2<T>& {operator =} (const Array2<T> &@var{a}) |
| 108 @end deftypeop | |
| 109 | |
| 110 @deftypemethod Array2<T> int dim1 (void) const | |
| 111 @deftypemethodx Array2<T> int rows (void) const | |
| 112 @end deftypemethod | |
| 2333 | 113 |
| 3920 | 114 @deftypemethod Array2<T> int dim2 (void) const |
| 115 @deftypemethodx Array2<T> int cols (void) const | |
| 116 @deftypemethodx Array2<T> int columns (void) const | |
| 117 @end deftypemethod | |
| 2333 | 118 |
| 3920 | 119 @deftypemethod Array2<T> T& elem (int @var{i}, int @var{j}) |
| 120 @deftypemethodx Array2<T> T& checkelem (int @var{i}, int @var{j}) | |
| 121 @end deftypemethod | |
| 122 | |
| 123 @deftypeop Indexing Array2<T> T& {operator ()} (int @var{i}, int @var{j}) | |
| 124 @end deftypeop | |
| 2333 | 125 |
| 126 @c This needs to be fixed. | |
| 127 @c | |
| 128 @c T& xelem (int i, int j) | |
| 129 @c | |
| 130 @c T elem (int i, int j) const | |
| 131 @c T checkelem (int i, int j) const | |
| 132 @c T operator () (int i, int j) const | |
| 133 | |
| 3920 | 134 @deftypemethod Array2<T> void resize (int @var{n}, int @var{m}) |
| 135 @deftypemethodx Array2<T> void resize (int @var{n}, int @var{m}, const T &@var{val}) | |
| 136 @end deftypemethod | |
| 2333 | 137 |
| 3920 | 138 @deftypefn Constructor {} Array3<T> (void) |
| 139 @deftypefnx Constructor {} Array3<T> (int @var{n}, int @var{m}, int @var{k}) | |
| 140 @deftypefnx Constructor {} Array3<T> (int @var{n}, int @var{m}, int @var{k}, const T &@var{val}) | |
| 141 @deftypefnx Constructor {} Array3<T> (const Array3<T> &@var{a}) | |
| 2333 | 142 @end deftypefn |
| 143 | |
| 3920 | 144 @deftypeop Assignment Array3<T> Array3<T>& {operator =} (const Array3<T> &@var{a}) |
| 145 @end deftypeop | |
| 2333 | 146 |
| 3920 | 147 @deftypemethod Array3<T> int dim1 (void) const |
| 148 @deftypemethodx Array3<T> int dim2 (void) const | |
| 149 @deftypemethodx Array3<T> int dim3 (void) const | |
| 150 @end deftypemethod | |
| 2333 | 151 |
| 3920 | 152 @deftypemethod Array3<T> T& elem (int @var{i}, int @var{j}, int @var{k}) |
| 153 @deftypemethodx Array3<T> T& checkelem (int @var{i}, int @var{j}, int @var{k}) | |
| 154 @end deftypemethod | |
| 155 | |
| 156 @deftypeop Indexing Array3<T> T& {operator ()} (int @var{i}, int @var{j}, int @var{k}) | |
| 157 @end deftypeop | |
| 2333 | 158 |
| 159 @c This needs to be fixed. | |
| 160 @c | |
| 161 @c T& xelem (int i, int j, int k) | |
| 162 @c | |
| 163 @c T elem (int i, int j, int k) const | |
| 164 @c T checkelem (int i, int j, int k) const | |
| 165 @c T operator () (int i, int j, int k) const | |
| 166 | |
| 3920 | 167 @deftypemethod Array3<T> void resize (int @var{n}, int @var{m}, int @var{k}) |
| 168 @deftypemethodx Array3<T> void resize (int @var{n}, int @var{m}, int @var{k}, const T &@var{val}) | |
| 169 @end deftypemethod | |
| 2333 | 170 |
| 3920 | 171 @deftypefn Constructor {} DiagArray<T> (void) |
| 172 @deftypefnx Constructor {} DiagArray<T> (int @var{n}) | |
| 173 @deftypefnx Constructor {} DiagArray<T> (int @var{n}, const T &@var{val}) | |
| 174 @deftypefnx Constructor {} DiagArray<T> (int @var{r}, int @var{c}) | |
| 175 @deftypefnx Constructor {} DiagArray<T> (int @var{r}, int @var{c}, const T &@var{val}) | |
| 176 @deftypefnx Constructor {} DiagArray<T> (const Array<T> &@var{a}) | |
| 177 @deftypefnx Constructor {} DiagArray<T> (const DiagArray<T> &@var{a}) | |
| 2333 | 178 @end deftypefn |
| 179 | |
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180 @deftypeop Assignment DiagArray<T>& {} {operator =} (const DiagArray<T> &@var{a}) |
| 3920 | 181 @end deftypeop |
| 2333 | 182 |
| 3920 | 183 @deftypemethod DiagArray<T> int dim1 (void) const |
| 184 @deftypemethodx DiagArray<T> int rows (void) const | |
| 185 @end deftypemethod | |
| 2333 | 186 |
| 3920 | 187 @deftypemethod DiagArray<T> int dim2 (void) const |
| 188 @deftypemethodx DiagArray<T> int cols (void) const | |
| 189 @deftypemethodx DiagArray<T> int columns (void) const | |
| 190 @end deftypemethod | |
| 2333 | 191 |
| 3920 | 192 @deftypemethod DiagArray<T> T& elem (int @var{r}, int @var{c}) |
| 193 @deftypemethodx DiagArray<T> T& checkelem (int @var{r}, int @var{c}) | |
| 194 @end deftypemethod | |
| 195 | |
| 196 @deftypeop Indexing DiagArray<T> T& {operator ()} (int @var{r}, int @var{c}) | |
| 197 @end deftypeop | |
| 2333 | 198 |
| 199 @c This needs to be fixed. | |
| 200 @c | |
| 201 @c T& xelem (int r, int c) | |
| 202 @c | |
| 203 @c T elem (int r, int c) const | |
| 204 @c T checkelem (int r, int c) const | |
| 205 @c T operator () (int r, int c) const | |
| 206 | |
| 3920 | 207 @deftypemethod DiagArray<T> void resize (int @var{n}, int @var{m}) |
| 208 @deftypemethodx DiagArray<T> void resize (int @var{n}, int @var{m}, const T &@var{val}) | |
| 209 @end deftypemethod |