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Quartic function

Known as: Quartic equations, Fourth degree polynomial, Biquadratic polynomial 
In algebra, a quartic function is a function of the form where a is nonzero,which is defined by a polynomial of degree four, called quartic… 
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Related topics

Related topics

33 relations
Abel–Ruffini theoremAlgebraic equationCharacteristic polynomialComputational geometry

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2009
Highly Cited
2009
A 0.55 V 60 dB-DR Fourth-Order Analog Baseband Filter
A 0.55 V supply voltage fourth-order low-pass continuous-time filter is presented. The low-voltage operating point is achieved by… 
2008
2008
A 100-kHz to 20-MHz Reconfigurable Power-Linearity Optimized $G_m$–$C$ Biquad in 0.13-$\mu$ m CMOS
Fully reconfigurable transceivers are required to answer the low-power high flexibility demand of future mobile applications… 
Highly Cited
2005
Highly Cited
2005
Voltage-mode universal biquadratic filters with one input and five outputs using MOCCIIs
Highly Cited
2001
Highly Cited
2001
Systematic Design of Companding Systems by Component Substitution
A design method for externally linear, internally nonlinear systems is presented which allows them to be derived from externally… 
Highly Cited
1999
Highly Cited
1999
Effect of roughness, frustration, and antiferromagnetic order on magnetic coupling of Fe/Cr multilayers
Highly Cited
1998
Highly Cited
1998
A unified treatment of quartic invariants at fixed and arbitrary energy
Two-dimensional Hamiltonian systems admitting second invariants which are quartic in the momenta are investigated using the… 
Highly Cited
1997
Highly Cited
1997
A two-path bandpass ΣΔ modulator for digital IF extraction at 20 MHz
Abstract — Oversampled bandpass A/D converters based on sigma-delta (Σ∆) modulation can be used to robustly digitize the types of… 
1994
1994
Accurate SI filters using RGC integrators
The design and implementation of single-ended and fully-differential switched current (SI) biquadratic high-Q bandpass filters to… 
1984
1984
Biquadratic SC filters with small GB effects
The effects of proper switch phasing in SC filters to yield low gain-bandwidth (GB) product dependence is discussed. A figure of… 
Highly Cited
1973
Highly Cited
1973
Dipole and Quadrupole Phase Transitions in Spin-1 Models
A spin-1 Hamiltonian with arbitrary bilinear and biquadratic pair interactions has been studied in the molecular-field… 
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