Mathematics
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58 Answers

Votes Activity Newest
9
What does the Stieltjes integral represent? Can it be seen as an area?
Dec 31 '18 at 15:13
7
Real n-by-n Matrices…
Jan 1 '19 at 20:46
5
Solving the matrix equation $X^tA+A^tX=0$ for $X$ in terms of $A$
Dec 27 '18 at 20:09
5
Rank-one update of eigenvalues
Dec 26 '18 at 17:08
4
How many of these strings have the property that they are the same as their output string?
Jan 4 '19 at 1:19
4
Probability distribution vs. probability mass function (PMF): what is the difference between the terms?
Dec 31 '18 at 14:24
2
Most accurate way to calculate matrix powers and matrix exponential for a positive semidefinite matrix
Feb 25 at 20:42
2
Is there a fast way to compute the lowest eigenvalue of this symmetric PD matrix in this specific scenario?
Mar 13 '19 at 20:55
2
Rewriting the Hermitian transpose of a normal matrix as a polynomial of that matrix
Jan 16 '19 at 1:58
2
Integrating rational function by multiplying with a high-power polynomial term
Jan 7 '19 at 16:05
2
Range of linear mapping
Jan 2 '19 at 15:22
2
Consider the field $F=Z_3$, with elements denoted [0],[1],[2], and the vector space $V=F^2$ over $F$, with elements denoted as pairs ([i],[j]).
Oct 3 '18 at 2:47
1
Best Linear Solvers for Random Matrices
Sep 20 '20 at 15:59
1
Can these matrices be multiplied in $\mathcal O(n^2)$ time?
Jul 9 '20 at 23:43
1
Generalisation of Chebyshev minimax property
Jul 8 '20 at 2:46
1
How to compute efficiently and robustly if a given set of vectors is linearly independent?
Jan 1 '20 at 15:57
1
Can the Gram-Schmidt projection be thought of as finding the nearest point in the subspace of orthogonal matrices, with a suitable distance?
Dec 6 '19 at 16:04
1
min max problem with eigenvalues
Nov 14 '19 at 3:30
1
Finding the optimal weights to place on $n$ estimators to create a weighted-average that minimizes the expected squared error
Oct 22 '19 at 14:57
1
Approximate computation of leading eigenvector of average of PSD matrices
Oct 17 '19 at 16:47
1
Proof for a bound $\epsilon > m$ such that $A^TXA \preceq \epsilon X$, where $X \succ 0$.
Oct 13 '19 at 17:49
1
Orthogonal Projection in Arnoldi iteration.
Oct 11 '19 at 16:41
1
Compute matrix norm induced by weight l1 vector norm
Apr 24 '19 at 20:49
1
Efficient algorithms for minimization of bi-linear matrix expressions?
Feb 16 '19 at 2:00
1
Geometrical interpretation of systems of linear equations with infinitely many solutions
Jan 28 '19 at 16:03
1
linearization of minimum function
Jan 25 '19 at 16:39
1
Blockwise Matrix Inversion Stability
Dec 21 '18 at 22:44
1
Is there any inequality between 2-norm condition number and Frobenius norm condition number for rectangular matrix?
Jan 17 '19 at 16:23
1
Effect of perturbation on eigenvalues
Jan 17 '19 at 2:20
1
How to prove this very interesting matrix identity?
Jan 9 '19 at 2:33
1
2