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Richard Zhang
  • Member for 7 years, 9 months
  • Last seen more than a month ago
26 votes
Accepted

Why should non-convexity be a problem in optimization?

26 votes

Good examples of "two is easy, three is hard" in computational sciences

13 votes

How much regularization to add to make SVD stable?

13 votes
Accepted

Performance of kd-tree vs brute-force nearest neighbor search on GPU?

11 votes

Finding the first N roots of transcendental equation

9 votes

What is the worst case complexity of Conjugate Gradient?

8 votes
Accepted

Solving $A=B+AB$ without matrix inverse

7 votes

ODE $x''(t)+\eta x'(t)+x(t)=0$ with the $\eta$ extremely small

7 votes

Operation count for GMRES

6 votes
Accepted

Error on a integral quantity with noise

6 votes
Accepted

Computing a ratio of exponential functions without overflow issues

6 votes
Accepted

Intersections of supports constraint

5 votes
Accepted

Block-matrix SVD and rank bounds

5 votes

Comparison of velocity Verlet and leapfrog algorithms

5 votes
Accepted

Power Iteration over Rayleigh Quotient Iteration?

4 votes

When is it advantageous to iterate integrals numerically?

4 votes
Accepted

Least-squares for a diagonal matrix

4 votes
Accepted

What is the name for this type of constraint?

3 votes

Find a solution of large system of inequalities

3 votes

Linear algebraic research direction that's not to do with differential equations and physics?

3 votes
Accepted

SOCP: Recovering primal from dual

3 votes

Weak Formulation of Helmholtz equation with a complex coefficient and complex source term

3 votes
Accepted

The linear system in Quasi Newton method

2 votes

Solving a set of linear equations with block structure and weak coupling

2 votes
Accepted

Nonlinear least squares when some parameters are linear

1 vote
Accepted

An Upper Bound of $\left<H,X\right>_F$ with Constrainted Rank

1 vote

Factoring a quadratic function