Computational Science
Richard Zhang's user avatar
Richard Zhang's user avatar
Richard Zhang's user avatar
Richard Zhang
  • Member for 8 years, 11 months
  • Last seen more than 1 year ago
Profile Activity
Stats
2,455
reputation
57k
reached
27
answers
1
question
Communities
Badges
View all badges
This user doesn’t have any gold badges yet.
14
silver badges
26
bronze badges
Top tags
View all tags
61
Score
8
Posts
29
Posts %
59
Score
9
Posts
32
Posts %
19
Score
2
Posts
7
Posts %
17
Score
3
Posts
11
Posts %
14
Score
3
Posts
11
Posts %
14
Score
2
Posts
7
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
27
Why should non-convexity be a problem in optimization?
May 11, 2016
answer
27
Good examples of "two is easy, three is hard" in computational sciences
May 17, 2019
answer
14
Performance of kd-tree vs brute-force nearest neighbor search on GPU?
May 13, 2017
answer
13
How much regularization to add to make SVD stable?
May 2, 2017
answer
11
Finding the first N roots of transcendental equation
Apr 12, 2018
answer
9
What is the worst case complexity of Conjugate Gradient?
Mar 18, 2016
answer
8
Solving $A=B+AB$ without matrix inverse
Apr 26, 2016
question
7
Element-wise thresholding a low-rank matrix in O(n) time?
Jan 23, 2018
answer
7
ODE $x''(t)+\eta x'(t)+x(t)=0$ with the $\eta$ extremely small
Feb 28, 2017
answer
7
Operation count for GMRES
Dec 11, 2018
Top network posts
View all network posts
7
Smallest singular value of $X\mapsto AX^{T}+XA^{T}$
6
Applications of the Cayley-Hamilton theorem
5
Anti-bidiagonal matrix with main anti-diagonal {1,2,3,...} and first sub-anti-diagonal {-1,-2,-3,...} has eigenvalues lambda={1,-2,3,-4,...}
5
Full-rank factorization of the graph Laplacian

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.