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تعداد نتایج: 4692279 فیلتر نتایج به سال:
we consider a linear programming problem in a general form and suppose that all coefficients may vary in some prescribed intervals. contrary to classical models, where parameters can attain any value from the interval domains independently, we study problems with linear dependencies between the parameters. we present a class of problems that are easily solved by reduction to the classi...
in this paper, we develop multi-step methods to solve a class of two-dimensional nonlinear volterra integral equations (2d-nvies) of the first kind. here, we convert a 2d-nvie of the first kind to a one-dimensional linear vie of the first kind and then we solve the resulted equation numerically by multi-step methods. we also verify convergence and error analysis of the method. at t...
one very decisive factor in students’ academic destiny is the result they get at final term examinations. because of its importance, both students and teachers are curiously anxious about them. as normally it is the case, these final term tests are prepared hurriedly in short time by teachers which result in students’ dissatisfaction, complaining on how the test was different from their expecta...
En el año 2003 se inauguró en la Revista Médica de Chile una Sección titulada “Medicina Basada en Evidencia” (MBE). En concordancia con el ciclo de la MBE, uno de los primeros artículos publicados en dicha Sección se centró en la formulación de una pregunta clínica adecuada. Desde entonces hasta ahora, ha habido un desarrollo importante en el ámbito de la MBE, siendo oportuno actualizar los con...
Continual learning is the constant development of increasingly complex behaviors; the process of building more complicatedskills on top of those already developed. A continual-learning agent should therefore learn incrementally and hierarchically. This paper describes CHILD, an agent capable of Continual, Hierarchical, Incremental Learning and Development. CHILD can quickly solve complicated no...
the 1950s, are a common tool for transportation planning. While these surveys are designed for the purpose of developing input for the travel forecasting process, the resulting data often end up being used for a wide range of planning and research activities. Stopher and Metcalf ’s survey of 55 recent travel surveys found that most took the form of a travel diary.1 While these diaries ranged co...
We construct a new harmonic family: dielectric flow solutions with maximal supersymmetry in eleven-dimensional supergravity. These solutions are asymptotically AdS4 ×S7, while in the infra-red the M2 branes are dielectrically polarized into M5 branes. These solutions are holographically dual to vacua of the mass deformed theory on M2 branes. They also provide an interesting insight on the super...
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