numpy.i0() function | Python

Last Updated : 22 Apr, 2020
numpy.i0() function is the modified Bessel function of the first kind, order 0. it's usually denoted by I0.
Syntax : numpy.i0(x) Parameters : x : [array_like, dtype float or complex] Argument of the Bessel function. Return : [ndarray, shape = x.shape, dtype = x.dtype] The modified Bessel function evaluated at each of the elements of x.
Code #1 : Python3 
# Python program explaining
# numpy.i0() function

# importing numpy as geek 
import numpy as geek

gfg = geek.i0(0.)

print (gfg)
Output : 
1.0
  Code #2 : Python3 
# Python program explaining
# numpy.i0() function

# importing numpy as geek 
import numpy as geek

gfg = geek.i0([1., 2. + 3j])

print (gfg)
Output : 
[ 1.26606588+0.j,  -1.24923489+0.9479838j]
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