Gradient of the form $(\textbf{x}-\textbf{x}_k)^TA(\textbf{x}-\textbf{x}_k)$
489
How to take the gradient of the quadratic form?
36336
Gradient borders
61144
Derivative of $x^{x^{\cdot^{\cdot}}}$?
62140
Direction of $d\mathbf{l}$
150057
Approximating a three-times differentiable function by a linear combination of derivatives
139530
Taking derivatives with respect to a matrix
14830
A transformation of F[x]
18670
What is the gradient of $x^T A\, x$ with respect to the matrix $A$?
69324
The Gradient as a Row vs. Column Vector
63191
What is the $k-$th derivative of $ \frac{1}{1-x^2}$?
76685
Determine $\text{Aut}(S)$ where $S = \mathbb{Q}[x]/(x^2)$
4498
Proof that $\|fx\| \leq \|f\|\cdot\|x\|$
127390
Second derivative of a composite function
59165
Derivative of a linear transformation.
85085
Simplifying the derivative of $|x|$
130253
Differentiating $\mbox{tr} (ABA^TC)$ w.r.t. $A$
140024
How to obtain the gradient in polar coordinates