user avatar
user avatar
user avatar
Alex Shtof
  • Member for 11 years, 6 months
  • Last seen this week
15 votes
0 answers
456 views

An interesting first order method

10 votes
3 answers
539 views

Box-constrained orthogonal matrix

9 votes
1 answer
284 views

Convergent piecewise-constant approximation of l.s.c function

7 votes
1 answer
7k views

Lipschitz continuous Gradient and bounded Hessian

6 votes
1 answer
166 views

Initial ellipsoid for the ellipsoid method for unconstrained minimization

5 votes
1 answer
2k views

Fourier transform of a multivariate gaussian

5 votes
0 answers
279 views

Moreau Decomposition with Bregman Distance

3 votes
0 answers
101 views

Scale-agnostic, differentiable, co-planarity measure

3 votes
1 answer
494 views

radially unbounded functions and 1D characterization.

3 votes
1 answer
62 views

Can a semialgebraic function be continuously extended to the closure of its domain?

2 votes
1 answer
210 views

Differential equation with one univariate function and several variables

2 votes
1 answer
380 views

Cylinder silhouette

2 votes
1 answer
209 views

Minimize $\ell_1$ norm subject to $\ell_2$ constraint

1 vote
1 answer
122 views

Efficient solution for a quadratic + norm objective.

1 vote
0 answers
29 views

Solution to a nonlinear problem at an extreme point

1 vote
0 answers
456 views

Point-wise error estimate in polynomial regression

1 vote
2 answers
135 views

Lower semicontinuity and partial minimization

1 vote
1 answer
345 views

Projection onto the Set of Orthogonal Matrices - $ \mathcal{O}^{n} = \left\{ X \in \mathbb{R}^{n \times n} \mid {X}^{T} X = I \right\} $

1 vote
1 answer
37 views

Bound on eigenvalues of a certain symmetric DPR1 matrix

1 vote
1 answer
51 views

Derivative of a 1D function involving matrix inversion

1 vote
1 answer
200 views

Differentiable orthogonal 3D vector

0 votes
1 answer
47 views

Continuity of a maximum with respect to parameters

0 votes
1 answer
558 views

Gradient and Hessian of a function defined in terms of matrix inverse

0 votes
0 answers
207 views

KKT system with rank-deficient constraints