Browsing by Author "García Planas, María Isabel"
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A canonical reduced form for singular time invariant linear systems
García Planas, María Isabel; Díaz, Adolfo (200909)
Conference report
Open AccessWe consider quadruples of matrices (E; A;B;C), representing singular linear time invariant systems in the form Ex_ (t) = Ax + Bu y = Cx ¾ (1) with E;A 2 Mp£n(C), B 2 Mp£m(C) and C 2 Mq£n(C) under proportional and ... 
A canonical reduced form for singular time invariant linear systems. Part I
García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 200912)
Conference lecture
Open Access 
A canonical reduced form for singular time invariant linear systems. Part II
García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 200912)
Conference lecture
Open Access 
A general approach for computing residues of partialfraction expansion of transfer matrices
García Planas, María Isabel; Domínguez García, José Luís (201307)
Article
Open AccessThis paper deals with the description of a general method for calculating the residues of a linear system. Considering, physical models, it is wellassumed that the system described only presents simple eigenvalues, or at ... 
A Stein matrix equation related to transfer matrix of linear dynamic systems over commutative rings
García Planas, María Isabel; Lopez Cabeceira, Montserrat (Editorial de la Universitat Politècnica de València (UPV), 2010)
Conference report
Open AccessEste trabajo está inmerso en el campo de la Teoría de Control sobre un anillo conmutativo R con elemento unidad. Dado un sistema dinámico lineal invariante en el tiempo representado por x+(t) = Ax(t) + Bu(t) sobre R, ... 
About assessing the learning of students with dyscalculia
García Planas, María Isabel; GarcíaCamba Vives, María Victoria (2019)
Conference report
Open AccessDyscalculia is a neurodevelopmental disorder that affects to the capacity for calculation, interfering with the academic performance, the level of social inclusion, the access to the working world, and especially in the ... 
Algebra and largescale dam assessment: the case of merowe dam in Sudan
Requejo Castro, David; Taberna Torres, Judit; García Planas, María Isabel (EScGD, 2018)
Part of book or chapter of book
Open Access 
Alternative tests for functional and pointwise outputcontrollability of linear timeinvariant systems
García Planas, María Isabel; Domínguez García, José Luís (2013)
Article
Open AccessThis paper deals with the description of a new method for calculating the functional outputcontrollability. It is computed by means of the rank of a certain constant matrix which can be associated to the system. Moreover, ... 
An alternative collection of structural invariants for matrix pencils under strict equivalence
Díaz, Adolfo; García Planas, María Isabel (WSEAS Press. World Scientific and Engineering Academy and Society, 2009)
Article
Restricted access  publisher's policyWe consider pairs of matrices (E;A), representing singular linear time invariant sys tems in the form Ex_ (t) = Ax with E;A 2 Mp£n(C) under restricted equivalence. In this paper we obtain an alternative collection of ... 
An alternative complete system of invariants for matrix pencils under strict equivalence
García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 200912)
Part of book or chapter of book
Restricted access  publisher's policyWe consider triples of matrices (E; A;B), representing singular linear time invariant systems in the form Ex_ (t) = Ax(t) + Bu(t), with E;A 2 Mp£n(C) and B 2 Mn£m(C), un der proportional and derivative feedback. Using ... 
An alternative complete system of invariants for matrix pencils under strict equivalence
García Planas, María Isabel; Díaz, Adolfo (WSEAS Press. World Scientific and Engineering Academy and Society, 200912)
Conference lecture
Open Access 
An integrated ePortfolio in linear algebra classes
García Planas, María Isabel; Taberna Torres, Judit (201501)
Article
Open AccessIn September 2014 we began a pilot project for the development of ePortfolios in a core mathematics subject for undergraduate students at the Universitat Politècnica de Catalunya. The aim of this pilot project is to create 
Analizing exact controllability of lorder linear systems
García Planas, María Isabel (WSEAS Press, 20170101)
Article
Open AccessIn recent years there has been growing interest in the descriptive analysis of lorder time invariant linear dynamical system xl = Al1xl1 ++ A0x0 where Ai are square complex matrices and xi denotes the ith derivative ... 
Analizing exact controllability of lorder linear ystems
García Planas, María Isabel (WSEAS Press, 201705)
Article
Open AccessIn recent years there has been growing interest in the descriptive analysis of l order time invariant linear dynamical system x l = A l system x l = A l where A i are square complex matrices and x i denotes the ith ... 
Analysis of behavior of a simple eigenvalue of singular system
García Planas, María Isabel; Tarragona, Sonia (WSEAS Press, 2013)
Conference lecture
Open AccessSmall perturbations of simple eigenvalues with a change of parameters is a problem of general interest in applied mathematics. The aim of this work is to study the behavior of a simple eigenvalue of singular linear ... 
Analysis of behavior of a simple eigenvalue of singular system
García Planas, María Isabel; Tarragona, Sonia (WSEAS Press, 201309)
Part of book or chapter of book
Open AccessSmall perturbations of simple eigenvalues with a change of parameters is a problem of general interest in applied mathematics. The aim of this work is to study the behavior of a simple eigenvalue of singular linear ... 
Analysis of behavior of the eigenvalues and eigenvectors of singular linear systems
García Planas, María Isabel; Tarragona Romero, Sonia (2012)
Article
Open AccessLet E(p)x˙ = A(p)x + B(p)u be a family of singular linear systems smoothly dependent on a vector of real parameters p = (p1, . . . , pn). In this work we construct versal deformations of the given differentiable family under ... 
Analysis of control properties of concatenated convolutional codes
García Planas, María Isabel; Souidi, El Mamoun; Um, Laurence Emilie (2012)
Article
Open AccessIn this paper we consider two models of concatenated convolutional codes from the perspective of linear systems theory. We present an inputstateoutput representation of these models and we study the conditions for ... 
Analysis of control properties]{Analysis of control properties of convolutional concatenated codes under linear systems point of view
García Planas, María Isabel; Um, Laurence Emilie; Souidi, El Mamoun (2013)
Conference report
Open AccessIn this paper we consider two models of concatenated convolutional codes from the perspective of linear systems theory. We present an inputstateoutput representation of these models and we study the conditions for ... 
Analysis of functional outputcontrollability of timeinvariant Composite linear systems
García Planas, María Isabel; Tarragona, Sonia (WSEAS Press, 201309)
Part of book or chapter of book
Open AccessSmall perturbations of simple eigenvalues with a change of parameters is a problem of general interest in applied mathematics. The aim of this work is to study the behavior of a simple eigenvalue of singular linear ...