Matrix Differentiation of $x^TAx$
489
How to take the gradient of the quadratic form?
130253
Differentiating $\mbox{tr} (ABA^TC)$ w.r.t. $A$
139530
Taking derivatives with respect to a matrix
113038
Implicit Differentiation Help
24852
Symbolic linear algebra gradients/matrix calculus
91251
$n$th derivative of $e^{ax}\sin(bx+c)$
138784
Is the differentiation operator an open mapping?
43366
Question about vector-matrix derivatives
71437
How is the derivative of $\textrm{Trace}\left\{ X^T A X B\right\}$ with respect to $X$ equal to $AXB + A^TXB^T$?
12726
Differentiating both sides of a non-differential equation
73073
Differentiating $y=x^{2}$
52946
If $X$ is an orthogonal matrix, why does $X^TX = I$?
153119
$x^TAx=0$ for all $x$ when $A$ is a skew symmetric matrix
133580
Nth derivative of $x^x$
17267
Interchanging the order of differentiation and summation
158610
Why is the differentiation of $e^x$ is $e^x$?
14161
Proof of when is $A=X^TX$ invertible?