Indexing routines¶
See also
Generating index arrays¶
| c_ | Translates slice objects to concatenation along the second axis. |
| r_ | Translates slice objects to concatenation along the first axis. |
| s_ | A nicer way to build up index tuples for arrays. |
| nonzero | |
| where | |
| indices | |
| ix_ | |
| ogrid | nd_grid instance which returns an open multi-dimensional “meshgrid”. |
| ravel_multi_index | |
| unravel_index | |
| diag_indices | |
| diag_indices_from | |
| mask_indices | |
| tril_indices | |
| tril_indices_from | |
| triu_indices | |
| triu_indices_from |
Indexing-like operations¶
| take | |
| choose | |
| compress | |
| diag | |
| diagonal | |
| select |
Inserting data into arrays¶
| place | |
| put | |
| putmask | |
| fill_diagonal |
Iterating over arrays¶
| nditer | Efficient multi-dimensional iterator object to iterate over arrays. |
| ndenumerate(arr) | Multidimensional index iterator. |
| ndindex(*args) | An N-dimensional iterator object to index arrays. |
| flatiter | Flat iterator object to iterate over arrays. |
