Math, Numerics, and Software

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My name is Reid Atcheson. I have a PhD in Computational and Applied Mathematics (CAAM) from Rice University. I currently work for Numerical Algorithms Group (NAG). I periodically write here about my interests. I have interest in the following:


09 Mar 2019 Performance Results of Low-Rank Trick
03 Mar 2019 Quickly Discover Low-Rank Structure with GMRES
27 Feb 2019 Linear Algebra Secrets: Low Rank Updates
04 Aug 2018 I am a Below Average Quake Champions Player
26 May 2018 What to do when Julia's lufact runs out of memory
19 Mar 2018 Rice HPC Oil&Gas Conference 2018
15 Jan 2018 Estimating Errors in Summing Arrays of Floating Point Numbers
10 Jan 2018 Breaking Bayesian Inference
02 Jan 2018 Excluded Middle and the Stock Market
28 Dec 2017 Intermediate Value Theorem on Rational Numbers
14 Dec 2017 Computing Square Root of Rational Numbers
14 Nov 2017 Talk at SC17
02 Apr 2017 Rice HPC Oil&Gas Conference
22 Dec 2016 Abstract Numerical Linear Algebra: Update!
19 Oct 2016 Joint Post with Julia Computing
14 Oct 2016 Abstract Numerical Linear Algebra
27 Dec 2015 Running MPI Jobs on Google Compute Instances
07 Dec 2015 The danger of variable length arrays in C99+
12 Jul 2015 An International Mathematical Olympiad Problem
23 Apr 2015 I am a doctor now
07 Dec 2014 Infinitude of Primes Revisited
29 Aug 2014 JuliaCon Presentation
06 Jul 2014 Reciprocal Sum of Primes Diverges
04 Jul 2014 Infinitely many prime numbers: Euler's proof
10 Jan 2014 First website.