Question

If g(z) is the sigmoid function, then its derivative with respect to z may be written in term of g(z) as







a.G(z)(1-g(z))







b.G(z)(1+g(z))







c.-g(z)(1+g(z))







d.G(z)(g(z)-1)

Answer 1

answer is  g(z)(1-g(z))