952 resultados para Cartesian coordinates
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Exercises and solutions in LaTex
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Exercises and solutions in PDF
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Exercises and solutions in PDF
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Exercises and solutions in PDF
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Exam questions and solutions in PDF
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Exercises and solutions in LaTex
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El proceso de especialización dentro de una actividad económica es un rasgo esencial para la producción y comercialización de bienes y servicios que ayuden a suplir una necesidad en general. Es por esto, que la unidad de empresa es considerada como principal pilar para el desarrollo de cualquier sociedad a nivel mundial, pues genera empleo y riqueza, coordina los factores de producción, crea nuevas herramientas para vivir e impulsa la evolución de toda una comunidad. De esta forma, es fundamental que el Estado, a través de sus entidades, se preocupe no solo en proteger, mantener, y recuperar a la empresa sino también ayudarla en lograr una liquidación ordenada.
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El propósito de este artículo es presentar tres argumentos en torno al papel que las emociones y los procesos de narración tienen en la construcción de la identidad moral. En primer lugar, se sugiere que la comprensión cartesiana de la identidad moderna rechaza el valor que las emociones y los sentimientos tienen en la formulación de juicios normativos. En este sentido, se argumentará que necesitamos una perspectiva epistemológica distinta. En segundo lugar, se revisará la relación existente entre la identidad narrativa y las tres formas de la mímesis en Tiempo y narración. Nuestro análisis tiene el propósito de mostrar la importancia que porque se argumentará que el punto de vista hermenéutico abre la puerta a un horizonte distinto de la acción humana que incluye las emociones y los sentimientos. Finalmente, se expondrá el concepto de frameworks en el pensamiento de Charles Taylor, por la siguiente razón: la noción frameworks nos proporciona un punto de articulación entre la cuestión de la identidad y la teoría hermenéutica sobre los conceptos mencionados y el sentido de la vida.---Narrative, emotions and identity. An epistemological and hermeneutical readingThe purpose of this article is to explain three arguments about the role that emotions and the process of narration have in the construction of moral identity. First, I suggest that Cartesian comprehension of modern identity rejects the value that emotions and feelings have in formulations of normative judgments. In this sense I will argue that we need a different epistemological perspective. Second, I will review the relation between narrative identity and the three forms of mimesis in Time and Narrative. Our inquiry into them has the purpose of showing the importance that they have in many basic fields of application in social science, because I consider that the hermeneutical point of view opens the gate to a comprehensive perspective of human action, and it includes emotions and feelings. Finally, I will expose the concept of “Frameworks” in Charles Taylor´s thought for the following reason: “Frameworks” provides a point of articulation between question of identity and hermeneutical theory about the emotions, feelings and meaning of live.Key words: narrative identity, hermeneutical theory, emotions, feelings, normative judgments---Narração, emoções e identidade. Uma leitura epistemológica e hermenêuticaO propósito deste artigo é apresentar três argumentos em torno ao papel que as emoções e os processos de narração têm na construção da identidade moral. Em primeiro lugar se sugere que a compreensão cartesiana da identidade moderna recusa o valor que as emoções e os sentimentos têm na formulação de juízos normativos. Neste sentido, se argumentará que necessitamos uma perspectiva epistemológica diferente. Em segundo lugar, se revisará a relação existente entre a identidade narrativa e as três formas da mimese em Tempo e narração. Nossa análise tem o propósito de mostrar a importância que estas noções têm em diferentes campos de aplicação das ciências sociais, porque se argumentará que o ponto de vista hermenêutico abre a porta a um horionte distinto da ação humana que inclui as emoções e os sentimentos. Finalmente, se exporá o conceito de frameworks no pensamento de Charles Taylor, pela seguinte razão: a noção frameworks nos proporciona um ponto de articulação entre a questão da identidade e a teoria hermenêutica sobre os conceitos mencionados e o sentido da vida.Palavras chave: Identidade narrativa, teoria hermenêutica, emoções, sentimentos, juízos normativos.
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En el siguiente trabajo se planteará una investigación de tipo descriptiva en donde se pretende investigar la estructura organizacional en Procafecol Colombia de una de las más recientes áreas de la compañía, se trata del área de Sostenibilidad. La idea principal de esta investigación es tener más conocimiento sobre el área, entendiendo el por qué de su surgimiento hace menos de un año, la división y coordinación que existe, cómo ésta se relaciona con el resto de la compañía haciendo que se logre un cumplimiento de los objetivos y estrategias de la organización. Debido al poco conocimiento sobre la estructura organizacional de la nueva área de Responsabilidad Social o de Sostenibilidad, se plantea una investigación descriptiva, que permita entender cómo se divide y coordina el trabajo en dichas unidades, y como éstas se relacionan con el resto de la organización y cuál es la visión y misión de ésta para poder llegar a ser un área fundamental y exitosa dentro de la organización.
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An analytic method to evaluate nuclear contributions to electrical properties of polyatomic molecules is presented. Such contributions control changes induced by an electric field on equilibrium geometry (nuclear relaxation contribution) and vibrational motion (vibrational contribution) of a molecular system. Expressions to compute the nuclear contributions have been derived from a power series expansion of the potential energy. These contributions to the electrical properties are given in terms of energy derivatives with respect to normal coordinates, electric field intensity or both. Only one calculation of such derivatives at the field-free equilibrium geometry is required. To show the useful efficiency of the analytical evaluation of electrical properties (the so-called AEEP method), results for calculations on water and pyridine at the SCF/TZ2P and the MP2/TZ2P levels of theory are reported. The results obtained are compared with previous theoretical calculations and with experimental values
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In the finite field (FF) treatment of vibrational polarizabilities and hyperpolarizabilities, the field-free Eckart conditions must be enforced in order to prevent molecular reorientation during geometry optimization. These conditions are implemented for the first time. Our procedure facilities identification of field-induced internal coordinates that make the major contribution to the vibrational properties. Using only two of these coordinates, quantitative accuracy for nuclear relaxation polarizabilities and hyperpolarizabilities is achieved in π-conjugated systems. From these two coordinates a single most efficient natural conjugation coordinate (NCC) can be extracted. The limitations of this one coordinate approach are discussed. It is shown that the Eckart conditions can lead to an isotope effect that is comparable to the isotope effect on zero-point vibrational averaging, but with a different mass-dependence
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We present a method for analyzing the curvature (second derivatives) of the conical intersection hyperline at an optimized critical point. Our method uses the projected Hessians of the degenerate states after elimination of the two branching space coordinates, and is equivalent to a frequency calculation on a single Born-Oppenheimer potential-energy surface. Based on the projected Hessians, we develop an equation for the energy as a function of a set of curvilinear coordinates where the degeneracy is preserved to second order (i.e., the conical intersection hyperline). The curvature of the potential-energy surface in these coordinates is the curvature of the conical intersection hyperline itself, and thus determines whether one has a minimum or saddle point on the hyperline. The equation used to classify optimized conical intersection points depends in a simple way on the first- and second-order degeneracy splittings calculated at these points. As an example, for fulvene, we show that the two optimized conical intersection points of C2v symmetry are saddle points on the intersection hyperline. Accordingly, there are further intersection points of lower energy, and one of C2 symmetry - presented here for the first time - is found to be the global minimum in the intersection space
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A set of connections among several nuclear and electronic indexes of reactivity in the framework of the conceptual Density Functional Theory by using an expansion ofthe energy functional in terms of the total number of electrons and the normal coordinates within a canonical ensemble was derived. The relations obtained provided explicit links between important quantities related to the chemical reactivity of a system. This paper particularly demonstrates that the derivative of the electronic energy with respect to the external potential of a system in its equilibrium geometry was equal to the negative of the nuclear repulsion derivative with respect to the external potential
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The level of ab initio theory which is necessary to compute reliable values for the static and dynamic (hyper)polarizabilities of three medium size π-conjugated organic nonlinear optical (NLO) molecules is investigated. With the employment of field-induced coordinates in combination with a finite field procedure, the calculations were made possible. It is stated that to obtain reasonable values for the various individual contributions to the (hyper)polarizability, it is necessary to include electron correlation. Based on the results, the convergence of the usual perturbation treatment for vibrational anharmonicity was examined
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L'algorisme de McLachlan per a l'alineament de dos conjunts de coordenades atòmiques és interpretat sota l'òptica de l'Anàlisi Multivariant, que posa de manifest que el plantejament d'aquest problema és equivalent al de l'anàlisi de Procrustes i que la solució proposada per Kabsch és anàloga a la de Sibson, desenvolupada independentment