نتایج جستجو برای: free light fraction

تعداد نتایج: 1024399  

Journal: :Applied optics 2001
M U Vera A Saint-Jalmes D J Durian

The multiple scattering of light by aqueous foams is systematically studied as a function of wavelength, bubble size, and liquid fraction. Results are analyzed in terms of the transport mean free path of the photons and an extrapolation length ratio for the diffuse photon concentration field. The wavelength dependence is minimal and may be attributed entirely to the wavelength dependence of the...

1997
Bernhard Beckermann Stanley Cabay George Labahn

We present a fraction-free approach to the computation of matrix Padé systems. The method relies on determining a modified Schur complement for the coefficient matrices of the linear systems of equations that are associated to matrix Padé approximation problems. By using this modified Schur complement for these matrices we are able to obtain a fast hybrid fraction-free algorithm for their compu...

2009
Erich Kaltofen George Yuhasz

We describe a fraction free version of the Matrix Berlekamp/Massey algorithm. The algorithm computes a minimal matrix generator of linearly generated square matrix sequences over an integral domain. The algorithm performs all operations in the integral domain, so all divisions performed are exact. For scalar sequences, the matrix algorithm specializes to a more efficient algorithm than the algo...

Journal: :CSSP 2014
Yuval Bistritz

The paper considers five fraction-free (FF) tests to determine whether a complex or a real polynomial has all its zeros inside the unit-circle. A FF test for complex polynomial is applicable to both complex and real polynomials where the FF property means that when it is applied to Gaussian or real integer coefficients, it can be completed over the respective ring of integers, i.e., it is Gauss...

Journal: :CoRR 2016
Johannes Middeke David J. Jeffrey

We consider exact matrix decomposition by Gauss-Bareiss reduction. We investigate two aspects of the process: common row and column factors and the influence of pivoting strategies. We identify two types of common factors: systematic and statistical. Systematic factors depend on the process, while statistical factors depend on the specific data. We show that existing fraction-free QR (Gram–Schm...

Journal: :Drug metabolism and disposition: the biological fate of chemicals 2009
Jeanette Watson Sara Wright Adam Lucas Kirsten L Clarke Jean Viggers Sharon Cheetham Phil Jeffrey Rod Porter Kevin D Read

This study was designed to investigate whether brain unbound concentration (C(u,brain)) is a better predictor of dopamine D(2) receptor occupancy than total brain concentration, cerebrospinal fluid concentration (C(CSF)), or blood unbound concentration (C(u,blood)). The ex vivo D(2) receptor occupancy and concentration-time profiles in cerebrospinal fluid, blood, and brain of six marketed antip...

Journal: :Nature Physics 2023

Enhancing light-matter coupling at the level of single quanta is essential for numerous applications in quantum science. The cooperative optical response subwavelength atomic arrays has been found to open new pathways such strong couplings, while simultaneously offering access multiple spatial modes light field. Efficient single-mode free-space reported, but control over outgoing fields remaine...

Journal: :Journal of King Saud University - Engineering Sciences 2020

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