Results 311 to 320 of about 27,372,603 (325)

Maximum likelihood estimation in a class of nonregular cases

, 1985
SUMMARY We consider maximum likelihood estimation of the parameters of a probability density which is zero for x 2, the information matrix is finite and the classical asymptotic properties continue to hold.
Richard L. Smith
semanticscholar   +1 more source

Thin-films field-transfer matrix theory of planar multilayer waveguides and reflection from prism-loaded waveguides

, 1984
A standard 2 × 2 matrix method-used in thin-film optics is applied to planar multilayer optical waveguides. All modes are required to satisfy substrate-to-cover field-transfer equations that reduce to the equation γcm11 + γcγsm12 + m21 + γsm22 = 0 for ...
J. Chilwell, I. Hodgkinson
semanticscholar   +1 more source

New decomposition of the radar target scattering matrix

, 1990
A new decomposition of the complex radar target scattering matrix resolves a 2 × 2 complex scattering matrix into three components that provide a clearer picture of the physical mechanisms behind the scattering and, thereby, a clearer picture of the ...
E. Krogager
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Numerical analysis of planar optical waveguides using matrix approach

, 1987
We present here a simple matrix method for obtaining propagation characteristics, including losses for various modes of an arbitrarily graded planar waveguide structure which may have media of complex refractive indices.
A. Ghatak, K. Thyagarajan, M. R. Shenoy
semanticscholar   +1 more source

Condition Estimates for Matrix Functions

, 1989
A sensitivity theory based on Frechet derivatives is presented that has both theoretical and computational advantages. Theoretical results such as a generalization of Van Loan’s work on the matrix exponential are easily obtained: matrix functions are ...
C. Kenney, A. Laub
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The Ginibre Ensemble of Real Random Matrices and its Scaling Limits

, 2008
We give a closed form for the correlation functions of ensembles of a class of asymmetric real matrices in terms of the Pfaffian of an antisymmetric matrix formed from a 2 × 2 matrix kernel associated to the ensemble.
A. Borodin, C. Sinclair
semanticscholar   +1 more source

Adiabatic and diabatic potential energy surfaces for collisions of CN(X 2Σ+, A 2Π) with He

, 1988
The interaction potential energy surfaces for CN(X 2∑+, A 2∏)+He have been computed from ab initio MCSCF and MCSCF‐CI wave functions using an extensive basis set.
H. Werner, Bernd Follmeg, M. Alexander
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Reduced Density Matrices of Atoms and Molecules. I. The 2 Matrix of Double‐Occupancy, Configuration‐Interaction Wavefunctions for Singlet States

, 1967
Certain general features of the second‐order reduced density matrix, or 2 matrix, for configuration‐interaction (CI) wavefunctions are reviewed, with special reference to the simplifying features of spin singlet states.
F. Weinhold, E. Wilson
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The Meaning of Life Is a 2 × 2 Matrix

, 1997
S. Thiagarajan
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Inequalities for Trace Norms of 2 × 2 Block Matrices

, 2003
C. King
semanticscholar   +1 more source