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  1. Derivative of sigmoid function $\sigma (x) = \frac {1} {1+e^ {-x}}$

    In my AI textbook there is this paragraph, without any explanation. The sigmoid function is defined as follows $$\sigma (x) = \frac {1} {1+e^ {-x}}.$$ This function is easy to differentiate

  2. calculus - Calculate the first derivative without the function ...

    Then you can write the Taylor series expansion of that function around the point you are trying to approximate the derivative. Evaluate these expressions at given points, then try to find a linear …

  3. What are examples of functions with "very" discontinuous …

    Could someone give an example of a ‘very’ discontinuous derivative? I myself can only come up with examples where the derivative is discontinuous at only one point. I am assuming the …

  4. real analysis - Derivatives of multivariable functions - Mathematics ...

    I would like to make a few statements about a simple object - the derivative of a univariate function - and apply and relate its features and my understaning of them to multivariate functions.

  5. How to find the derivative of the function $f(x) = (2x-3)^4 (x^2 + x ...

    Can someone please tell me how to find the derivative of this function? I've been working on this one problem since yesterday and I still can't find the answer...

  6. Finding the Derivative without using Product or Quotient Rule

    I have a math problem where I am required to find the derivative of a function with the limitations of not being allowed to use the Product or Quotient Rule of Differentiation. The problem looks l...

  7. calculus - How to find the derivative of a fraction? - Mathematics ...

    How to find the derivative of a fraction? Ask Question Asked 11 years, 5 months ago Modified 11 years, 5 months ago

  8. Using the alternative formula to find the derivative of a function?

    Using the alternative formula to find the derivative of a function? Ask Question Asked 12 years, 9 months ago Modified 12 years, 9 months ago

  9. Derivative of a function with respect to another function.

    Oct 1, 2014 · Derivative of a function with respect to another function. [duplicate] Ask Question Asked 11 years, 2 months ago Modified 10 years, 3 months ago

  10. Find the 100th derivative of a function. - Mathematics Stack …

    Find the 100th derivative of a function. Ask Question Asked 8 years, 4 months ago Modified 8 years, 4 months ago