Listar por autor "Galán-García, María Ángeles"
Mostrando ítems 1-20 de 25
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A discrete-time queueing system with three different strategies
Atencia-McKillop, Ivan
; Padilla-Dominguez, Yolanda Carmen; Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Galán-García, María Ángeles[et al.] (Elsevier, 2021-09)
We consider a discrete-time Geo/G/1/inf system in which a customer that finishes its first essential service may opt to abandon the system, to receive a second optional service or to go at the head of the queue in order ... -
A Non Markovian Retrial Queueing System
Atencia-McKillop, Ivan; Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Rodriguez-Padilla, Pablo[et al.] (2022-06-13)
Researches on retrial queues with non-geometrical retrial times is motivated by real computers and telecommunication networks, where retrial times can hardly be geometrical distributed. The inherent difficulty with ... -
A non markovian retrial queueing system
Atencia-McKillop, Ivan; Galán-García, María Ángeles; Aguilera-Venegas, Gabriel; Galán-García, José Luis (Elsevier, 2023)
This paper studies a discrete-time queueing system in which a customer who enters in the system with a server occupied may choose to go to the retrial group or to begin its service displacing to the retrial group the ... -
A stepwise Cas course for solving First-Order Partial Diferential Equations
Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Rodriguez-Cielos, Pedro; Rodríguez-Cielos, Ricardo[et al.] (2014-07-16)
Partial Differential Equations (PDE) is a very important topic in advance Mathematics for Engineering. The three main first-order PDE problems that a basic course must deal with are: \begin{enumerate} \item {\bf Pfaff ... -
Advanced techniques to compute improper integrals using a CAS
Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Rodriguez-Cielos, Pedro; Rodríguez-Cielos, Ricardo[et al.] (2014-07-16)
Let us consider the following types of improper integrals: $$ \int_0^\infty f(t)\:{\rm d}t \qquad ; \qquad \int_{-\infty}^0 f(t)\:{\rm d}t \qquad {\rm and} \qquad \int_{-\infty}^\infty f(t)\:{\rm d}t $$ \medskip Let ... -
Curso 0 Online de Aspectos Básicos de Matemáticas para alumnado de la Escuela de Ingenierías Industriales de la Universidad de Málaga
Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Rodriguez-Cielos, Pedro; Rodriguez-Padilla, Pablo (2022-07)
El objetivo principal de esta comunicación es describir la experiencia que, desde el curso 2018/2019, venimos desarrollando un grupo de 7 profesores de las Áreas de Matemática Aplicada y de Estadística e Investigación ... -
A Discrete-time Queueing System With Imperfect Information for the Server
Atencia-McKillop, Ivan; Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Padilla-Dominguez, Yolanda Carmen; Galán-García, María Ángeles[et al.] (2020-07-24)
We consider a discrete-time Geo=G=1=1 system in which a customer that finishes its fi rst essential service may opt to abandon the system, to receive a second optional service or to place at the head of the queue in order ... -
Improving CAS Capabilities: New Rules for Computing Improper Integrals
Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Atencia-McKillop, Ivan; Rodríguez, Ricardo[et al.] (2016-07-14)
There are diferent applications in Engineering that require to compute improper integrals of the first kind (integrals defined on an unbounded domain) such as: the work required to move an object from the surface of the ... -
Making more flexible ATISMART+ model for traffic simulations using a CAS
Ramírez, Manuel; Gavilán, José Manuel; Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Rodriguez-Cielos, Pedro[et al.] (2015-07-28)
Traffic simulations usually require the search of a path to join two different points. Dijkstra’s algorithm [1] is one of the most commonly used for this task due to its easiness and quickness. In [2, 3] we developed an ... -
New functions for random samples generation using Stata 15
Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Rodriguez-Cielos, Pedro (2019-10-30)
In the 2017 Spanish Stata Users Group meeting, held in Madrid on October 19th, we introduced some functions for generating random samples from continuous and discrete distributions using STATA 13. In this talk, we will ... -
New rules for improving CAS capabilities when computing improper integrals. Applications in Math Education
Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Padilla-Dominguez, Yolanda Carmen; Galán-García, María Ángeles (2018-06-22)
In many Engineering applications the computation of improper integrals is a need. In [1] we pointed out the lack of some CAS when computing some types of improper integrals. Even more, the work developed showed that some ... -
A New Web-stepwise Solver for Ordinary Differential Equations
Galán-García, José Luis; Aguilera-Venegas, Gabriel; Le Goff, Morgan; Rodriguez-Cielos, Pedro; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Atencia-McKillop, Ivan; Rodríguez-Cielos, Ricardo[et al.] (2020-07-24)
In this paper we introduce SODES (Step-wise Ordinary Differential Equations Solver) which is a new solver for Ordinary Dfferential Equations (ODE). SODES can be used not only as a solver but also as a tutorial for the ... -
Queueuing system with failures and priorities
Atencia-McKillop, Ivan; Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodríguez, Pedro; Galán-García, María Ángeles (2016-07-07)
Queueing theory provides models, structural insights, problem solutions and algorithms to many application areas. Due to its practical applicability to production, manufacturing, home automation, communications ... -
Random samples generation with Stata from continuous and discrete distributions
Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Rodriguez-Cielos, Pedro; Rodríguez-Cielos, Ricardo[et al.] (2018-03-12)
Simulations are nowadays a very important way of analyzing new improvements in different areas before the physical implementation, which may require hard resources which could only be affronted in case of a high probability ... -
Server information mechanism in a discrete-time queueing system
Atencia-McKillop, Ivan; Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Galán-García, María Ángeles (2018-06-14)
This paper discusses a discrete-time queueing system in which an arriving customer may adopt four di erent strategies depending on the income information, two of them correspond to a LCFS discipline where displacements ... -
SFOPDES: A stepwise tutorial for teaching Partial Differential Equations using a CAS
Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Padilla-Dominguez, Yolanda Carmen; Galán-García, María Ángeles; Rodríguez-Cielos, Ricardo[et al.] (2019-07-25)
Partial Differential Equations (PDE) are one of the most difficult topics that Engineering and Sciences students have to study in the different Math subjects in their degree. In this talk we introduce SFOPDES (Stepwise ... -
Simulating Realistic Traffic Flow in a Smart City
Galán-García, José Luis; Aguilera-Venegas, Gabriel; Galán-García, María Ángeles; Rodriguez-Cielos, Pedro (2014-07-16)
Dijkstra's algorithm is one of the most well known algorithm to solve the shortest path problem (SPP). When applied to real situations, although the shortest path can be computed with Dijkstra's algorithm, it is not always ... -
SODES: Solving ordinary differential equations step by step
Galán-García, José Luis; Rodriguez-Cielos, Pedro; Galán-García, María Ángeles; Le Goff, Morgan; Padilla-Dominguez, Yolanda Carmen; Rodriguez-Padilla, Pablo; Atencia-McKillop, Ivan; Aguilera-Venegas, Gabriel[et al.] (Elsevier, 2023)
In this paper, we introduce SODES (Stepwise Ordinary Differential Equations Solver) a new solver for Ordinary Differential Equations (ODE). SODES can optionally provide the solution displaying all the steps needed to obtain ... -
SPDES: A Stepwise Solver for Teaching Partial Differential Equations
Galán-García, José Luis; Aguilera-Venegas, Gabriel; Rodriguez-Cielos, Pedro; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Atencia-McKillop, Ivan; Rodríguez-Cielos, Ricardo[et al.] (2020-07-24)
Partial Differential Equations (PDE) are an important topic within the Engineering Degrees syllabus. In addition, many students find some dificulties in the learning process of this topic. Therefore, the use of didactical ... -
Teaching improper integrals with CAS
Aguilera-Venegas, Gabriel; Galán-García, José Luis; Galán-García, María Ángeles; Padilla-Dominguez, Yolanda Carmen; Rodríguez, Pedro; Rodríguez, Ricardo[et al.] (2015-07-28)
When teaching how to compute improper integrals, the basic approach to compute such improper integrals is by definition. But, what happens if an antiderivative F for f or the above limits do not exist? the definition ...