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# numpy.i0

`numpy.``i0`(x)

  Modified Bessel function of the first kind, order 0.

  Usually denoted .

  Parameters: | x : array_like, dtype float or complex Argument of the Bessel function.
  Returns: | out : ndarray, shape z.shape, dtype z.dtype The modified Bessel function evaluated at the elements of x.

  See also

  `scipy.special.iv`, `scipy.special.ive`

  References

  [38] | M. Abramowitz and I.A. Stegun, “Handbook of Mathematical Functions”, 10th printing, 1964, pp. 374. http://www.math.sfu.ca/~cbm/aands/

  [39] | Wikipedia, “Bessel function”, http://en.wikipedia.org/wiki/Bessel_function

  Examples

      >>> np.i0([0.])
      array(1.0)
      >>> np.i0([0., 1. + 2j])
      array([ 1.00000000+0.j        ,  0.18785373+0.64616944j])

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