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Everything about Sigma approximation
In mathematics, σ-approximation adjusts a Fourier summation to greatly reduce the Gibbs phenomenon, which would otherwise occur at discontinuities. Wikipedia →
🧭 Start here: a 6-step reading path
- Read the overview: Sigma approximationA 5-minute orientation
- Skim a recent paper: Approximation in $$AC(\sigma )$$Influential work since 2022
- Pick up a classic book: Calculus, Early TranscendentalsThe most-reprinted book on the subject
- Read the landmark paper: On the approximation of horizontal gradients in sigma co‐ordinates for bathymetry with steep bottom slopesCited 149 times
- Go sideways: Hann functionA closely related topic
- Go sideways: Dirac combA closely related topic
📖 Definitions
No dictionary entry for this exact phrase.
🗂️ The subject at a glance
No outline available.
🏆 Landmark papers (most cited)
On the approximation of horizontal gradients in sigma co‐ordinates for bathymetry with steep bottom slopes
Chernoff fusion of Gaussian mixtures based on sigma-point approximation
Instanton approximation to the graded nonlinear sigma model for the integer quantum hall effect
Hybrid consensus sigma point approximation nonlinear filter using statistical linearization
Universality for 1d Random Band Matrices: Sigma-Model Approximation
Lp APPROXIMATION CAPABILITIES OF SUM-OF-PRODUCT AND SIGMA-PI-SIGMA NEURAL NETWORKS
Approximation Formula for Easy Calculation of Signal-to-Noise Ratio of Sigma-Delta Modulators
Bose–Einstein condensation in a linear sigma model at largeNapproximation
🆕 Influential since 2022
Approximation in $$AC(\sigma )$$
Investigation of the Sigma Approximation Technique for the Solution of the Time Spectral Equation System
Evaluation of pion-nucleon sigma term in Dyson–Schwinger equations approach of QCD with three-constituent quark approximation
Gradient approximation algorithms for the $\sigma$-OSS + concave function maximization
Finite-Rank Complex Deformations of Random Band Matrices: Sigma-Model Approximation
📚 Books worth reading
Calculus, Early TranscendentalsJames Stewart · 1991
Single Variable Calculus, Early TranscendentalsJames Stewart · 1991
PrecalculusMcGraw-Hill-Glencoe Staff, McGraw-Hill Education Staff · 2010
The Approximations HandbookC.H.J. Beaven · 1989- 📕Approximation of the bias of the least squares estimator of [sigma]² in the case of a first-order autoregressive process and two correlated predictorsWilfried R. Vanhonacker · 1981
- 📕The calculations of the photoionization cross section of h⁺₂ from ls[Greek letter sigma subscript g] state by using some approximate wave functionsJózef Borkowski · 1970
Lyapunov exponents and stabilityN. A. Izobov · 2012
Calculus for dummiesRyan, Mark · 2014
Ranked by number of editions on Open Library, a rough measure of how lasting a book is.
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