Search Results - "Sendra, J"

Computation of Moore–Penrose generalized inverses of matrices with meromorphic function entries by Sendra, J. Rafael, Sendra, Juana

“…In this paper, given a field with an involutory automorphism, we introduce the notion of Moore–Penrose field by requiring that all matrices over the field have…”
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Transforming Radical Differential Equations to Algebraic Differential Equations by Falkensteiner, Sebastian, Sendra, J. Rafael

“…In this paper, we present an algorithmic procedure that transforms, if possible, a given system of ordinary or partial differential equations with radical…”
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Moore–Penrose approach in the Hough transform framework by Beltrametti, M.C., Sendra, J.R., Sendra, J., Torrente, M.

“…Let F(x, a) be a real polynomial in two sets of variables, x and a, that is linear with respect to one of the variable sets, say a. In this paper, we deal with…”
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Indoor lighting design for healthier workplaces: natural and electric light assessment for suitable circadian stimulus by Aguilar-Carrasco, M T, Domínguez-Amarillo, S, Acosta, I, Sendra, J J

“…Light, especially daylight, plays a critical role in human health as the main timer for circadian rhythms. Indoor environments usually lack the correct…”
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Distortion-Free Instantaneous Multifrequency Saturator for THD Current Reduction by Moriano, Javier, Rizo, Mario, Bueno, Emilio, Sendra, J. Rafael, Mateos, Raul

“…The importance of distributed generation and renewable energies inclusion has led to obtain the maximum from power converters, in terms of total harmonic…”
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Algebraic and algorithmic aspects of radical parametrizations by Sendra, J. Rafael, Sevilla, David, Villarino, Carlos

“…In this article algebraic constructions are introduced in order to study the variety defined by a radical parametrization (a tuple of functions involving…”
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Representations and geometrical properties of generalized inverses over fields by Stanimirović, Predrag S., Ćirić, Miroslav, Lastra, Alberto, Sendra, J. Rafael, Sendra, Juana

“…In this paper, as a generalization of Urquhart's formulas, we present a full description of the sets of inner inverses and $ (B,C) $ ( B , C ) -inverses over…”
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Covering rational ruled surfaces by SENDRA, J. RAFAEL, SEVILLA, DAVID, VILLARINO, CARLOS

“…We present an algorithm that covers any given rational ruled surface with two rational parametrizations. In addition, we present an algorithm that transforms…”
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Symbolic computation of Drazin inverses by specializations by Sendra, J. Rafael, Sendra, Juana

“…In this paper, we show how to reduce the computation of Drazin inverses over certain computable fields to the computation of Drazin inverses of matrices with…”
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Solving First Order Autonomous Algebraic Ordinary Differential Equations by Places by Falkensteiner, Sebastian, Sendra, J. Rafael

“…Given a first order autonomous algebraic ordinary differential equation, we present a method for computing formal power series solutions by means of places. We…”
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Birational reparameterizations of surfaces by Caravantes, Jorge, Pérez-Díaz, Sonia, Sendra, J. Rafael

“…Given a unirational parameterization of a surface, we present a general algorithm to determine a birational parameterization without using parameterization…”
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Cissoid constructions of augmented rational ruled surfaces by Sendra, J. Rafael, Peternell, Martin, Sendra, Juana

“…Given two real affine rational surfaces we derive a criterion for deciding the rationality of their cissoid. Furthermore, when one of the surfaces is augmented…”
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Missing sets in rational parametrizations of surfaces of revolution by Sendra, J. Rafael, Villarino, Carlos, Sevilla, David

“…Parametric representations do not cover, in general, the whole geometric object that they parametrize. This can be a problem in practical applications. In this…”
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A note about rational surfaces as unions of affine planes by Caravantes, Jorge, Sendra, J. Rafael, Sevilla, David, Villarino, Carlos

“…We prove that any smooth rational projective surface over the field of complex numbers has an open covering consisting of 3 subsets isomorphic to affine planes…”
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Gröbner basis computation of Drazin inverses with multivariate rational function entries by Sendra, Juana, Rafael Sendra, J.

“…In this paper we show how to apply Gröbner bases to compute the Drazin inverse of a matrix with multivariate rational functions as entries. When the…”
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On the Base Point Locus of Surface Parametrizations: Formulas and Consequences by Cox, David A., Pérez-Díaz, Sonia, Sendra, J. Rafael

“…This paper shows that the multiplicity of the base point locus of a projective rational surface parametrization can be expressed as the degree of the content…”
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Olive oil quantification of edible vegetable oil blends using triacylglycerols chromatographic fingerprints and chemometric tools by de la Mata-Espinosa, P., Bosque-Sendra, J.M., Bro, R., Cuadros-Rodríguez, L.

“…The present work studies the effectiveness of the use of triacylglycerols (TAGs) for the quantification of olive oil in blends with vegetable oils. The…”
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Algebraic, Rational and Puiseux Series Solutions of Systems of Autonomous Algebraic ODEs of Dimension One by Cano, José, Falkensteiner, Sebastian, Sendra, J. Rafael

“…In this paper, we study the algebraic, rational and formal Puiseux series solutions of certain type of systems of autonomous ordinary differential equations…”
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Comparing the impact of presence patterns on energy demand in residential buildings using measured data and simulation models by Cuerda, Elena, Guerra-Santin, Olivia, Sendra, J. J., Neila González, Fco. Javier

“…Prediction of the energy performance of buildings helps designers with decision-making during the design process in new construction, as well as in renovation…”
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A solution method for autonomous first-order algebraic partial differential equations by Grasegger, Georg, Lastra, Alberto, Sendra, J. Rafael, Winkler, Franz

“…In this paper we present a procedure for solving first-order autonomous algebraic partial differential equations in an arbitrary number of variables. The…”
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