نتایج جستجو برای: centers transition matrix

تعداد نتایج: 723862  

1998
P. B. Medvedev

Classical dynamics in SU(2) Matrix theory is investigated. A classical chaosorder transition is found. For the angular momentum small enough (even for small coupling constant) the system exhibits a chaotic behavior, for angular momentum large enough the system is regular.

Journal: :Physical review. E 2016
G Bard Ermentrout Christopher Griffin Andrew Belmonte

We study an evolutionary game model based on a transition matrix approach, in which the total change in the proportion of a population playing a given strategy is summed directly over contributions from all other strategies. This general approach combines aspects of the traditional replicator model, such as preserving unpopulated strategies, with mutation-type dynamics, which allow for nonzero ...

Journal: :Expert Syst. Appl. 2011
Zhe Song Xiulin Geng Andrew Kusiak Chang Xu

Extracting important statistical patterns from wind speed time series at different time scales is of interest to wind energy industry in terms of wind turbine optimal control, wind energy dispatch/scheduling, wind energy project design and assessment, and so on. In this paper, a systematic way is presented to estimate the first order (one step) Markov chain transition matrix from wind speed tim...

Journal: :SIAM J. Matrix Analysis Applications 1998
William M. Spears

This paper describes a compression algorithm for probability transition matrices. The compressed matrix is itself a probability transition matrix. In general the compression is not error-free, but the error appears to be small even for high levels of compression.

Journal: :مطالعات راهبردی سیاستگذاری عمومی 0
مهدی آهویی استادیار دانشکده مطالعات جهان دانشگاه تهران دیاکو حسینی پژوهشگر ارشد، مرکز بررسی های استراتژیک ریاست جمهوری

the us hegemony seems to be on decay since the second decade of the twenty-first century. since most of america›s economic and military rivals, are rising from asia, this amazing transition marks a historic re-location of power centers from the west eastward, and the end of western civilization›s domination over global culture and politics, distinguishing this era from previous power transition...

1999
Horst D. Simon William T. C. Kramer Robert F. Lucas

In just one decade, the 1990s, supercomputer centers have undergone two fundamental transitions which require rethinking their operation and their role in high performance computing. The first transition in the early to mid-1990s resulted from a technology change in high performance computing architecture. Highly parallel distributed memory machines built from commodity parts increased the oper...

Journal: :Physical review letters 2012
Hannes Bernien Lilian Childress Lucio Robledo Matthew Markham Daniel Twitchen Ronald Hanson

We report on the observation of quantum interference of the emission from two separate nitrogen vacancy (NV) centers in diamond. Taking advantage of optically induced spin polarization in combination with polarization filtering, we isolate a single transition within the zero-phonon line of the nonresonantly excited NV centers. The time-resolved two-photon interference contrast of this filtered ...

2004
J. L. Lebowitz

We use the transfer matrix formalism to examine the behavior of some anisotropic hard-core fluids, the centers of whose particles are constrained to a line. At large elongation and pressure, the compressibility factor 13p/p is higher than that for a system with complete aligment by a factor 1 + v that depends upon the molecular geometry. For molecules with a finite radius of curvature, e.g., el...

2002
Thomas Renger R. A. Marcus

A theory for calculating time– and frequency–domain optical spectra of pigment–protein complexes is presented using a density matrix approach. Non-Markovian effects in the exciton– vibrational coupling are included. A correlation function is deduced from the simulation of 1.6 K fluorescence line narrowing spectra of a monomer pigment–protein complex ~B777!, and then used to calculate fluorescen...

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