Brian Borchers's user avatar
Brian Borchers's user avatar
Brian Borchers's user avatar
Brian Borchers
  • Member for 13 years, 6 months
  • Last seen more than a month ago
22 votes

Can all convex optimization problems be solved in polynomial time using interior-point algorithms?

12 votes

What do you do if you find a typo in an equation of a paper?

12 votes
Accepted

Use of games to approximate solutions to Partial Differential Equations

10 votes

Dimensional Analysis in Mathematics

9 votes

Elementary mathematical books

9 votes

sparsity of QR decomposition

9 votes

How do you tell if a system of linear inequalities has a solution?

8 votes

Normal distribution with positive SEMI-definite covariance matrix

8 votes

Fit to a normal distribution

7 votes

Inverting Hessian matrix

7 votes

What are an adviser's responsibilities?

7 votes

Are there ill-conditioned problems in infinite precision arithmetric?

7 votes
Accepted

Explicit formula for Cholesky factorization in a special case

7 votes
Accepted

Nonlinearly constrained optimization (quadratic)

7 votes
Accepted

Nuclear norm (convex) minimization with complex-valued matrices?

6 votes

Why are optimization problems often called "programs"?

6 votes
Accepted

What software one needs to solve a big linear system on a small computer?

6 votes

Computational complexity of unconstrained convex optimisation

6 votes

efficient way to compute the inversion of the following matrix

6 votes
Accepted

Cross correlation detection in binary Hamming distance

6 votes
Accepted

Optimizing a quadratic restricted to the sphere

5 votes

Approximating derivatives between gridpoints

5 votes

How to solve Ax=b incrementally ?

5 votes

Projected gradient descent for non-convex optimization problems

5 votes

Starting PhD at the age of 25

5 votes
Accepted

How do I optimize over (or take derivative wrt) a square diagonal matrix?

5 votes

Characterising semi-definite positiveness on vectors with non-negative entries

4 votes

Trace of multiplied positive definite matrices

4 votes

Math research in the app store

4 votes

Nonconvex optimization problem