Sigmoid_and_its_Derivative | Desmos

Expression 1: sigma left parenthesis, "z" , right parenthesis equals StartFraction, 1 Over 1 plus "e" Superscript, negative "z" , Baseline , EndFraction

1

Expression 2: "y" equals StartFraction, "d" Over "d" "z" , EndFraction left parenthesis, sigma left parenthesis, "z" , right parenthesis , right parenthesis

2

3

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