diff options
Diffstat (limited to 'numpy/core/numeric.py')
| -rw-r--r-- | numpy/core/numeric.py | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/numpy/core/numeric.py b/numpy/core/numeric.py index d8a0cf9a6..014fa0a39 100644 --- a/numpy/core/numeric.py +++ b/numpy/core/numeric.py @@ -13,8 +13,8 @@ from .multiarray import ( WRAP, arange, array, asarray, asanyarray, ascontiguousarray, asfortranarray, broadcast, can_cast, compare_chararrays, concatenate, copyto, dot, dtype, empty, - empty_like, flatiter, frombuffer, fromfile, fromiter, fromstring, - inner, lexsort, matmul, may_share_memory, + empty_like, flatiter, frombuffer, _from_dlpack, fromfile, fromiter, + fromstring, inner, lexsort, matmul, may_share_memory, min_scalar_type, ndarray, nditer, nested_iters, promote_types, putmask, result_type, set_numeric_ops, shares_memory, vdot, where, zeros, normalize_axis_index) @@ -41,7 +41,7 @@ __all__ = [ 'newaxis', 'ndarray', 'flatiter', 'nditer', 'nested_iters', 'ufunc', 'arange', 'array', 'asarray', 'asanyarray', 'ascontiguousarray', 'asfortranarray', 'zeros', 'count_nonzero', 'empty', 'broadcast', 'dtype', - 'fromstring', 'fromfile', 'frombuffer', 'where', + 'fromstring', 'fromfile', 'frombuffer', '_from_dlpack', 'where', 'argwhere', 'copyto', 'concatenate', 'fastCopyAndTranspose', 'lexsort', 'set_numeric_ops', 'can_cast', 'promote_types', 'min_scalar_type', 'result_type', 'isfortran', 'empty_like', 'zeros_like', 'ones_like', @@ -1184,7 +1184,7 @@ def roll(a, shift, axis=None): >>> np.roll(x, -2) array([2, 3, 4, 5, 6, 7, 8, 9, 0, 1]) - >>> x2 = np.reshape(x, (2,5)) + >>> x2 = np.reshape(x, (2, 5)) >>> x2 array([[0, 1, 2, 3, 4], [5, 6, 7, 8, 9]]) @@ -1206,6 +1206,12 @@ def roll(a, shift, axis=None): >>> np.roll(x2, -1, axis=1) array([[1, 2, 3, 4, 0], [6, 7, 8, 9, 5]]) + >>> np.roll(x2, (1, 1), axis=(1, 0)) + array([[9, 5, 6, 7, 8], + [4, 0, 1, 2, 3]]) + >>> np.roll(x2, (2, 1), axis=(1, 0)) + array([[8, 9, 5, 6, 7], + [3, 4, 0, 1, 2]]) """ a = asanyarray(a) @@ -1823,6 +1829,14 @@ def fromfunction(function, shape, *, dtype=float, like=None, **kwargs): Examples -------- + >>> np.fromfunction(lambda i, j: i, (2, 2), dtype=float) + array([[0., 0.], + [1., 1.]]) + + >>> np.fromfunction(lambda i, j: j, (2, 2), dtype=float) + array([[0., 1.], + [0., 1.]]) + >>> np.fromfunction(lambda i, j: i == j, (3, 3), dtype=int) array([[ True, False, False], [False, True, False], |