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Retículos cúbicos, ortomodulares, conexos, de altura 3 y configuraciones proyectivas ortomodulares conexas
(Polytechnic University of Puerto Rico, 1994-12)
Cubic orthomodular connected lattices of height 3 and orthomodular connected projective configurations
The construction of a connected orthomodular projective configuration, from a cubic, connected, orthomodular lattice ...
The generalized cross-product of vectors
(Polytechnic University of Puerto Rico, 1993-12)
The meaning of the scalar product of two vectors can be easily extended to a space of n dimensions. Similar generalization, related to the cross-product of vectors with more than three components, has not been formulated ...
Modelaje matemático y simulación computadorizada del enfriamiento natural de una vivienda en Puerto Rico
(Polytechnic University of Puerto Rico, 1994-06)
The planning of social interest housing developed by the government of Puerto Rico during the sixties basically optimizes the economic aspects. Although, unfortunately, they shun a very important aspect in the intrinsic ...
Design of an automatically guided mechanical manipulator
(Polytechnic University of Puerto Rico, 1995-12)
An automatically guided mechanical manipulator is an electromechanical « device used for transportation and material handling. A combination of k electronics control and mechanics (mechatronics) design and analysis is » ...
Variables that may predict the behavior of a student in his/her university life at Polytechnic University of Puerto Rico
(Polytechnic University of Puerto Rico, 1996-06)
The objective of this study is to establish the relationship, if any. between the Graduation Grade Point Average (GPA) of students that began as first year studentes at Polytechnic University of Puerto Rico and remained ...
Process control laboratory - bar code system
(Polytechnic University of Puerto Rico, 1996-06)
This paper presents the basic concepts of a bar code system using a PC-based architecture. This system was developed and implemented in the Industrial Engineering Process Control Laboratory. The main objective of this ...
Configuraciones proyectivas ortomodulares y retículos cúbicos
(Polytechnic University of Puerto Rico, 1995-12)
Orthomodular projective configurations and cubic lattices
The author shows the construction of a cubic, connected, orthomodular attice of height 3, from a connected, orthomodular, projective configuration and gives the ...
Use of genetic algorithms in experimental design optimization and thermal property estimation
(Polytechnic University of Puerto Rico, 1997-06)
The goal of this paper is both to introduce the fields of experimental design optimization and thermal property estimation and to present Genetic Algorithm (GA) optimization method to the faculty of PUPR. This research ...
Architects and engineers: What makes the difference?
(Polytechnic University of Puerto Rico, 1997-12)
The historic dispute between architects and engineers, particularly civil engineers, is nonsense. Both professions are prestigious and dedicate themselves to covering separate and distinct aspects of the design of buildings ...
Determination of interface roughness and its correlation in amorphous-silicon/ amorphous-germanium multilayers
(Polytechnic University of Puerto Rico, 1996-06)
The importance of surfaces and interfaces of materials is increasing in many technological areas. In the microelectronic industry, for example, the J current trend is toward even faster and smaller electronic devices. ...