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Record W2153534587 · doi:10.1109/ccece.1997.608358

Optimal approximation of nonlinear functions by fuzzy systems

2002· article· en· W2153534587 on OpenAlex
F. Ashrafzadeh, E.P. Nowicki, Mustafa Mohamadian, John Salmon

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldComputer Science
TopicFuzzy Logic and Control Systems
Canadian institutionsUniversity of AlbertaUniversity of Calgary
Fundersnot available
KeywordsNonlinear systemMathematical optimizationFuzzy logicMathematicsFunction approximationPiecewiseLinear approximationApproximation theoryFuzzy numberFuzzy control systemPiecewise linear functionMembership functionDefuzzificationFunction (biology)Applied mathematicsFuzzy setComputer scienceArtificial intelligenceMathematical analysisArtificial neural network

Abstract

fetched live from OpenAlex

This paper presents a novel approach to the optimal approximation of nonlinear functions employing fuzzy systems. The proposed approach, which is based on a genetic algorithm, also illustrates the underlying design principles of different parts of a fuzzy system. This insight is facilitated by our definition of characteristic points. To appreciate this concept, an illustrative example is employed. The essence of this paper is the fact that the conventional selection of membership functions does not lead to the best function approximation. It is also demonstrated that while a fuzzy system with triangular membership functions is, in effect, a linear piecewise approximation of a nonlinear function, a fuzzy system with gaussian member functions can be viewed as a nonlinear piecewise approximation of the same nonlinear function.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.976
Threshold uncertainty score0.270

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.016
GPT teacher head0.196
Teacher spread0.180 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Quick stats

Citations7
Published2002
Admission routes1
Has abstractyes

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