Derivative of Sigmoid and its Proof

Course Q&A Deep Learning Specialization Neural Networks and Deep Learning
1

IMG_20230810_081441
IMG_20230810_0814411920×3040 311 KB

2

Thanks for your information.

1 Like
3

Hello @Ahmad_Khalid1,

\frac{1}{\text{something}} = \text{something}^{-1}. You wrote \text{something}^{+1}.

Raymond

4

Yeah You’re right. my bad.

5

There is little mistake in first step 1/(1+e^(-x))=(1+e^(-x))^-1. Please make a correction iin first step.