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Arnold Neumaier

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320/400 score

60/80 answers

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2 posts edited

9 helpful flags

244 votes cast

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Answers (185)

Votes Activity Newest

19	Scientific standards for numerical errors
19	Solving $(G^TA^{-1}G)x = b$ without inverting $A$
17	Does a tiny determinant imply ill-conditioning of a matrix?
17	MATLAB matrix multiplication (the best computational approach)
15	Approximate spectrum of a large matrix

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Reputation (10,613)

+10	Does a tiny determinant imply ill-conditioning of a matrix?
+10	Generating Symmetric Positive Definite Matrices using indices
+10	Basin of attraction for Newton's method
+10	minimization with orthogonality constraint

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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)

320 linear-algebra × 60	74 algorithms × 14
221 optimization × 45	74 linear-solver × 11
149 matrix × 33	53 sparse-matrix × 6
130 eigensystem × 22	44 condition-number × 6
83 iterative-method × 14	41 matlab × 11

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Accounts (11)

	Physics	36,237 rep	97 silver badges184 bronze badges
	Computational Science	10,613 rep	14 silver badges40 bronze badges
	MathOverflow	1,635 rep	7 silver badges27 bronze badges
	Mathematics	818 rep	5 silver badges16 bronze badges
	Cross Validated	271 rep	1 silver badge8 bronze badges

Badges (23)

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Nice Answer × 18	matrix
Announcer	Scholar
Self-Learner	eigensystem
Yearling × 7	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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