Exercise 13.12 - Subderivative of the hinge loss function

Answers

When $𝜃 < 1$ , we have:

∂𝑓 (𝜃) = {- 1} .

When $𝜃 = 1$ , we have:

∂𝑓 (𝜃) = [- 1, 0],

as for $𝜃 > 1$ :

∂𝑓 (𝜃) = {0} .

solour_lfq

2021-03-24 13:42