Bump function derivative control
12299
Are there other kinds of bump functions than $e^\frac1{x^2-1}$?
55125
Continuous right derivative implies differentiability
85085
Simplifying the derivative of $|x|$
17440
Differentiation using first principles with rational powers
156316
Singular value relation for an LMI
114150
Can I have a flexible partial derivative macro?
109774
How to obtain the functional derivative in variational inference?
60897
Non-integer order derivative
158876
Computing with matrix differential operators
105767
derivative under integral intuition
11205
Computing second partial derivative with polar coordinates
42708
Numerical Differentiation using Taylor series
12726
Differentiating both sides of a non-differential equation
8844
Higher-order partial derivatives w.r.t. variable raised to some power
28315
Monotone functions and non-vanishing of derivative
45363
Show that both mixed partial derivatives exist at the origin but are not equal
96022
Symmetry of second derivative - Sufficiency of twice-differentiability