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15
Math.TechQA.Club
2026-04-11 17:44:47
87
Views
Basis for an eigenstate
Published on
11 Apr 2026 - 17:44
#eigenvalues-eigenvectors
#matrix-calculus
181
Views
derivative of quadratic form with respect to orthogonal matrix for optimization of quadratic form
Published on
13 Apr 2026 - 16:27
#matrices
#derivatives
#matrix-calculus
#quadratic-forms
81
Views
Derivative of a matrix w.r.t to another?
Published on
12 Apr 2026 - 21:52
#calculus
#linear-algebra
#derivatives
#matrix-calculus
#machine-learning
54
Views
$\frac{\partial X^{-1}_{mn}}{\partial X_{ij}}$?
Published on
14 Apr 2026 - 8:10
#matrices
#matrix-calculus
159
Views
Inverse of a matrix of one.
Published on
15 Apr 2026 - 16:00
#linear-algebra
#matrices
#inverse
#matrix-calculus
40
Views
Variance of $\beta$ in Quasi-likelihood Function
Published on
14 Apr 2026 - 5:29
#matrices
#statistics
#derivatives
#matrix-calculus
#maximum-likelihood
119
Views
Why is the numerical radius at least half the norm?
Published on
16 Apr 2026 - 5:03
#functional-analysis
#hilbert-spaces
#matrix-calculus
#spectral-norm
182
Views
Eigenvalues of a blockmatrix
Published on
13 Apr 2026 - 5:56
#eigenvalues-eigenvectors
#matrix-equations
#matrix-calculus
#matrix-decomposition
#block-matrices
97
Views
Derivative of matrix by vector
Published on
12 Apr 2026 - 19:55
#matrices
#partial-derivative
#matrix-calculus
96
Views
Sum of matrix inverses
Published on
14 Apr 2026 - 12:55
#matrices
#matrix-calculus
#positive-definite
#symmetric-matrices
100
Views
Derivative of Matrix in Determinant
Published on
15 Apr 2026 - 14:17
#matrices
#statistics
#derivatives
#matrix-calculus
175
Views
Expected value of cross tabulation / contigency table
Published on
12 Apr 2026 - 0:48
#linear-algebra
#matrices
#matrix-calculus
#means
30
Views
Vector integral and differentiation
Published on
14 Apr 2026 - 6:40
#calculus
#integration
#derivatives
#matrix-calculus
76
Views
Derivative of determinate function w.r.t. matrix with vectors
Published on
25 Mar 2026 - 15:59
#matrix-calculus
#vectorization
355
Views
Gradient through Cholesky decomposition
Published on
25 Mar 2026 - 19:00
#matrices
#matrix-calculus
#cholesky-decomposition
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