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15
Math.TechQA.Club
2026-04-02 07:04:39
2.5k
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Matrices - Inverse of the principal square root of a covariance matrix (^-1/2)
Published on
02 Apr 2026 - 7:04
#matrices
#statistics
#matrix-equations
#matrix-calculus
#covariance
185
Views
How to get derivative of this matrix function?
Published on
25 Mar 2026 - 6:08
#matrices
#derivatives
#normed-spaces
#matrix-calculus
#nuclear-norm
520
Views
Inverse Jacobian Matrix
Published on
15 Apr 2015 - 3:24
#multivariable-calculus
#matrix-calculus
43
Views
optimality conditions for functions in matrix space
Published on
16 Apr 2015 - 2:19
#matrix-calculus
54
Views
Need some hints to solve a problem from "Revue de la filière mathématique"
Published on
16 Apr 2015 - 18:00
#linear-algebra
#integration
#vector-spaces
#matrix-calculus
278
Views
Prove that $\det(A) \cdot v \, A^{-1} = \det(A+uv) \cdot v \, (A+uv)^{-1}$.
Published on
29 Mar 2026 - 8:44
#matrices
#determinant
#inverse
#matrix-calculus
#conjectures
277
Views
An (open?) problem about a sequence of nested sub-matrices and their determinant
Published on
18 Apr 2015 - 14:53
#matrices
#determinant
#matrix-calculus
33
Views
Logical comparison of two values with algebra
Published on
06 Apr 2026 - 8:03
#abstract-algebra
#functions
#special-functions
#matrix-calculus
1.6k
Views
Find spectrum for matrix $A$
Published on
19 Apr 2015 - 15:09
#linear-algebra
#matrices
#matrix-calculus
114
Views
Matrix gradient of linear form
Published on
20 Apr 2015 - 3:38
#matrix-calculus
729
Views
Differentiation of a Vector with respect to a vector
Published on
02 Apr 2026 - 16:40
#derivatives
#vectors
#rotations
#matrix-equations
#matrix-calculus
157
Views
Eigenvalues special block matrix
Published on
22 Apr 2015 - 22:03
#matrices
#eigenvalues-eigenvectors
#matrix-calculus
537
Views
Matrix Derivative d(AXA)^(-1)/dX
Published on
23 Apr 2015 - 9:35
#derivatives
#matrix-calculus
690
Views
Is there a method to measure the similarity between undirected graph vertices?
Published on
26 Mar 2026 - 13:01
#matrices
#graph-theory
#matrix-calculus
#network
89
Views
Gauss-Newton Non-Linear Squares Optimisation
Published on
06 Apr 2026 - 12:36
#linear-algebra
#nonlinear-optimization
#matrix-calculus
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