Brian Borchers

Member for 11 years, 2 months
Last seen this week

euler.nmt.edu/~brian
Socorro, NM

Summary

Reputation

18,529

18.5k
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14.5k

2020
2021
2022
2023

Next tag badge

93/100 score

20/20 answers

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1

38

69

Newest

Yearling

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0/1

Excavator

Answers

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Score Activity Newest

68

why is A*v+B*v faster than (A+B)*v?

Jan 16, 2020

24

Scientific computing vs numerical analysis

Feb 12, 2017

23

Testing if a matrix is positive semi-definite

Jun 24, 2014

20

Tikhonov regularization in the non-negative least square - NNLS (python:scipy)

Feb 1, 2014

19

Should I rent computing resources, or buy my own computers

May 31, 2015

Questions

Score Activity Newest Views

12

Rapidly determining whether or not a dense matrix is of low rank

Jul 7, 2017

11

First appearance of the phrase "inverse crime"

Nov 9, 2017

3

Methods for interpolating from points that are not on a regular grid?

Dec 1, 2016

Tags

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linear-algebra

450

Score

69

posts

optimization

425

Score

87

posts

matrix

233

Score

31

posts

matlab

172

Score

25

posts

linear-solver

156

Score

31

posts

Reputation

+10

Rule of thumb for sparse vs dense matrix storage

+10

Constrained optimization with max and absolute values in objective function

+120

Iteration counts of AMG solver changes in parallel

+10

How to get multiple solutions for a optimization problem using any kind of software

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Fanatic

Dec 12, 2016

38

silver badges

optimization

Feb 9, 2021
Pundit

Mar 26, 2018
Guru

Jan 21, 2020

69

bronze badges

constrained-optimization

Jan 7, 2020
convex-optimization

Mar 24, 2018
linear-programming

May 10, 2021

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Votes cast

319

upvotes

22

downvotes

33

question votes

308

answer votes