First of all we have a vector of y_i, outputs of connected layers of neurons aka weights and features - dot product.
[1, 2, 3, 4]
sum_of_all_e_exp = e^1 + e^2 + e^3 + e^4
the first output is
p_0 = e^1 / sum_of_all_e_exp
Reposted from Uniqtech's Medium publication with permission. This is retrieved on May 14 2019. Uniqtech may have a newer version. Unde...