نتایج جستجو برای: directional distance function

تعداد نتایج: 1446360  

Most studies in relay coordination have focused solely on coordination of overcurrent relays while distance relays are used as the main protection of transmission lines. Since, simultaneous coordination of these two types of relays can provide a better protection, in this paper, a new approach is proposed for simultaneous coordination of distance and directional overcurrent relays (D&DOCRs). Al...

Journal: :The Journal of experimental biology 2007
Matthias Wittlinger Rüdiger Wehner Harald Wolf

Desert ants, Cataglyphis, use path integration as a major means of navigation. Path integration requires measurement of two parameters, namely, direction and distance of travel. Directional information is provided by a celestial compass, whereas distance measurement is accomplished by a stride integrator, or pedometer. Here we examine the recently demonstrated pedometer function in more detail....

Journal: :Genetics 2010
Fei He Wei-Hua Chen Sinéad Collins Claudia Acquisti Ulrike Goebel Sebastian Ramos-Onsins Martin J Lercher Juliette de Meaux

The orientation of flanking genes may influence the evolution of intergenic regions in which cis-regulatory elements are likely to be located: divergently transcribed genes share their 5' regions, resulting either in smaller "private" spaces or in overlapping regulatory elements. Thus, upstream sequences of divergently transcribed genes (bi-directional upstream regions, or URs) may be more cons...

2009
Vsevolod Ivanov Ivanov A. L. Dontchev

First order characterizations of pseudoconvex functions are investigated in terms of generalized directional derivatives. A connection with the invexity is analysed. Well-known first order characterizations of the solution sets of pseudolinear programs are generalized to the case of pseudoconvex programs. The concepts of pseudoconvexity and invexity do not depend on a single definition of the g...

Journal: :CoRR 2017
Gerhard Kurz Igor Gilitschenski Florian Pfaff Lukas Drude Uwe D. Hanebeck Reinhold Häb-Umbach Roland Siegwart

In this paper, we present libDirectional, a MATLAB library for directional statistics and directional estimation. It supports a variety of commonly used distributions on the unit circle, such as the von Mises, wrapped normal, and wrapped Cauchy distributions. Furthermore, various distributions on higher-dimensional manifolds such as the unit hypersphere and the hypertorus are available. Based o...

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