Differentiable approximation of the absolute value function
7945
Approximate $|x|$ with a smooth function
23119
An application of Jensen's Inequality
40429
Differentiability of this picewise function
93986
Connectivity, Path Connectivity and Differentiability
120947
continuous real-valued function
20178
Ljung-Box finite sample adjustments
157923
RMSProp Squared Gradients
55507
Multivariate differentiability verification
42302
Use of Holder inequality in gradient estimate for harmonic function.
97375
efficient and accurate approximation of error function
150727
Characterization convex function.
17815
Understanding the minimization of mean squared error function
17267
Interchanging the order of differentiation and summation
98559
subtlety of self-defined function and its evaluation
115419
Combined numerical minimization and maximization
38417
How to find the non-differentiable point(s) of a given continuous function?
148798
Closed form and gradient calculation for linear regression