I0
i0(input, *, out=None) -> Tensor
Computes the zeroth order modified Bessel function of the first kind for each element of input.
$$ \mbox{out}_{i} = I_0(\mbox{input}_{i}) = \sum_{k=0}^{\infty} \frac{(\mbox{input}_{i}^2/4)^k}{(k!)^2} $$
Examples
if (torch_is_installed()) {
torch_i0(torch_arange(start = 0, end = 5, dtype=torch_float32()))
}
#> torch_tensor
#> 1.0000
#> 1.2661
#> 2.2796
#> 4.8808
#> 11.3019
#> 27.2399
#> [ CPUFloatType{6} ]