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Diffstat (limited to 'numpy/doc/subclassing.py')
| -rw-r--r-- | numpy/doc/subclassing.py | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/numpy/doc/subclassing.py b/numpy/doc/subclassing.py index 859ab32f9..bbd44f8ee 100644 --- a/numpy/doc/subclassing.py +++ b/numpy/doc/subclassing.py @@ -20,17 +20,17 @@ why subclassing works as it does. ndarrays and object creation ============================ The creation of ndarrays is complicated by the need to return views of -ndarrays, that are also ndarrays. For example:: - - >>> import numpy as np - >>> arr = np.zeros((3,)) - >>> type(arr) - <type 'numpy.ndarray'> - >>> v = arr[1:] - >>> type(v) - <type 'numpy.ndarray'> - >>> v is arr - False +ndarrays, that are also ndarrays. For example: + +>>> import numpy as np +>>> arr = np.zeros((3,)) +>>> type(arr) +<type 'numpy.ndarray'> +>>> v = arr[1:] +>>> type(v) +<type 'numpy.ndarray'> +>>> v is arr +False So, when we take a view (here a slice) from the ndarray, we return a new ndarray, that points to the data in the original. When we @@ -148,6 +148,7 @@ Simple example - adding an extra attribute to ndarray ----------------------------------------------------- :: + import numpy as np class InfoArray(np.ndarray): |