How to calculate gradient of $f(x)=x^TAx+b^Tx$?
489
How to take the gradient of the quadratic form?
29026
Is the gradient a surface normal vector or does it point in the direction of maximum increase of f
108593
First order weak derivatives of $f(x)=|x|^r$
117076
Gradient of a function as the direction of steepest ascent/descent
66406
How to calculate $f(x)$ in $f(f(x)) = e^x$?
16278
Quick Hessian matrix and gradient calculation?
30032
What does it mean to take the gradient of a vector field?
133580
Nth derivative of $x^x$
144092
How To quickly do derivatives with respect to matrices
43956
Differentiating $f(x)^{g(x)}$
137550
Finding the derivatives of inverse functions at given point of c
155655
Applying MVT and IVT (?) to show something about f'''? (edit: actually, Taylor's Theorem using Lagrange remainder)
95598
Derivative of unit step function?
7945
Approximate $|x|$ with a smooth function
84597
Derivative of $(1-x)^{-2}$
9924
Derivative of conjugate multivariate function
139530
Taking derivatives with respect to a matrix