numpy.cbrt#

numpy.cbrt(x,/,out=None,*,where=True,casting='same_kind',order='K',dtype=None,subok=True[,signature])=<ufunc'cbrt'>#

Return the cube-root of an array, element-wise.

Parameters:

xarray_like

The values whose cube-roots are required.

outndarray, None, or tuple of ndarray and None, optional

A location into which the result is stored. If provided, it must havea shape that the inputs broadcast to. If not provided or None,a freshly-allocated array is returned. A tuple (possible only as akeyword argument) must have length equal to the number of outputs.

wherearray_like, optional

This condition is broadcast over the input. At locations where thecondition is True, theout array will be set to the ufunc result.Elsewhere, theout array will retain its original value.Note that if an uninitializedout array is created via the defaultout=None, locations within it where the condition is False willremain uninitialized.

**kwargs

For other keyword-only arguments, see theufunc docs.

Returns:

yndarray

An array of the same shape asx, containing thecube root of each element inx.Ifout was provided,y is a reference to it.This is a scalar ifx is a scalar.

Examples

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>>>importnumpyasnp>>>np.cbrt([1,8,27])array([ 1.,  2.,  3.])

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