numpy.random.RandomState.standard_exponential
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RandomState.standard_exponential(size=None)
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Draw samples from the standard exponential distribution.
standard_exponential
is identical to the exponential distribution with a scale parameter of 1.Parameters: -
size : int or tuple of ints, optional
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Output shape. If the given shape is, e.g.,
(m, n, k)
, thenm * n * k
samples are drawn. Default is None, in which case a single value is returned.
Returns: -
out : float or ndarray
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Drawn samples.
Examples
Output a 3x8000 array:
>>> n = np.random.standard_exponential((3, 8000))
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Licensed under the 3-clause BSD License.
https://docs.scipy.org/doc/numpy-1.15.4/reference/generated/numpy.random.RandomState.standard_exponential.html