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Arnold Neumaier

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10,773

10.8k
10.3k
9.8k

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326/400 score

60/80 answers

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15

40

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Yearling

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2 posts edited

9 helpful flags

244 votes cast

Answers (185)

Votes Activity Newest

21	Solving $(G^TA^{-1}G)x = b$ without inverting $A$
19	Scientific standards for numerical errors
18	Does a tiny determinant imply ill-conditioning of a matrix?
17	MATLAB matrix multiplication (the best computational approach)
16	BFGS vs. Conjugate Gradient Method

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Reputation (10,773)

+10	Null-space of a rectangular dense matrix
+20	Solving $(G^TA^{-1}G)x = b$ without inverting $A$
+10	Does a tiny determinant imply ill-conditioning of a matrix?
+10	BFGS vs. Conjugate Gradient Method

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Questions (4)

Votes Activity Newest

9	large dense low rank assignment problem
2	public solvers for the time-dependent Schrödinger equation?
2	Transforming an arbitrary linear program into one with an interior point
1	implied equalities and relative interior

Tags (87)

327 linear-algebra × 60	76 linear-solver × 11
223 optimization × 45	74 algorithms × 14
150 matrix × 33	55 sparse-matrix × 6
130 eigensystem × 22	45 condition-number × 6
82 iterative-method × 14	41 matlab × 11

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Bookmarks (23)

Votes Activity Newest Views Added

40	Scientific standards for numerical errors
33	How to choose a method for solving linear equations
30	Where do the laws of quantum mechanics break down in simulations?
25	Visualizing very large link graphs
15	What is the current state of polynomial preconditioners?

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Accounts (12)

	Physics	39,050 rep	101 silver badges192 bronze badges
	Computational Science	10,773 rep	15 silver badges40 bronze badges
	MathOverflow	3,040 rep	8 silver badges27 bronze badges
	Mathematics	1,003 rep	6 silver badges16 bronze badges
	Chemistry	405 rep	3 silver badges7 bronze badges

Badges (23)

Recent Class Name

Yearling × 8	matrix
Announcer	Scholar
Nice Answer × 18	eigensystem
Self-Learner	Explainer
Enlightened × 5	Autobiographer

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Votes cast (244)

all time			by type
234	up		98	question
10	down		146	answer

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