New posts in matrix-calculus

Derivative of matrix w.r.t. itself

calculus matrices derivatives matrix-calculus

Factorial of a matrix: what could be the use of it?

matrices operator-theory factorial matrix-calculus applications

Possible Close-form solution for 2 dimensional $\frac{d\Sigma}{dt} = \mathbf{A}\Sigma + \Sigma \mathbf{A}^T + \mathbf{B}\mathbf{B}^T$

linear-algebra ordinary-differential-equations matrix-equations matrix-calculus stochastic-differential-equations

How could we define the factorial of a matrix?

linear-algebra matrices operator-theory factorial matrix-calculus

Why does this matrix give the derivative of a function?

linear-algebra matrices derivatives matrix-calculus jordan-normal-form

How to take the gradient of the quadratic form?

multivariable-calculus derivatives matrix-calculus quadratic-forms scalar-fields