What is the gradient of $x^T A\, x$ with respect to the matrix $A$?
27738
Gradient of $a^T X b$ with respect to $X$
79276
Find $\min(\operatorname{trace}(AA^T))$ for invertible $A_{n\times n}$
46623
How to evaluate the derivatives of matrix inverse?
18282
Finding the minimal polynomial, the eigenvalues, and the characteristic polynomial of $T(A)=A+A^t$
7376
Find $\det(A^{2}+A^{T})$ when eigenvalues are $1,2,3$
139530
Taking derivatives with respect to a matrix
157923
RMSProp Squared Gradients
88386
Derivative of matrix exponential at $0$
11911
How to prove the positive definite property of the semidefinite matrix with regularization?
137209
Finding the Matrix of a Linear Operator Satisfying a Polynomial
133756
Geometric interpretation of $\det(A^T) = \det(A)$
133847
Derivative of determinant of a matrix
30037
What information does the trace of a matrix give?
6324
Deriving the inverse of a 2x2 matrix
89729
If $X$ is a singular matrix, then is $X'X$ singular?
29318
Calculating gradient, how to do this?
134131
Squared norm of matrix equal to squared norm of its transpose