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bundles / numpy 2.4.4 / numpy / random / RandomState / standard_exponential

cython_function_or_method

numpy.random:RandomState.standard_exponential

Signature

def   standard_exponential ( size = None )

Summary

Draw samples from the standard exponential distribution.

Extended Summary

standard_exponential is identical to the exponential distribution with a scale parameter of 1.

Parameters

size : int or tuple of ints, optional

Output shape. If the given shape is, e.g., (m, n, k), then m * n * k samples are drawn. Default is None, in which case a single value is returned.

Returns

out : float or ndarray

Drawn samples.

Examples

Output a 3x8000 array: 
n = np.random.standard_exponential((3, 8000))
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See also

random.Generator.standard_exponential

which should be used for new code.

Aliases

  • numpy.random.standard_exponential
  • numpy.random.RandomState.standard_exponential