55 respuestas a dudas típicas de estadística

Texto dirigido al alumno de cursos superiores de Ingeniería y Ciencias Económicas, con una exposición suficiente de aspectos teóricos y problemas resueltos.

Una vez presentado el volumen 0 (Fundamentos) de Matemáticas básicas para economistas, el primer paso en la formación matemática de todo economista moderno es afrontar el estudio de aquellas herramientas que permiten abordar "problemas lineales"; es decir, de lo que hoy se llama álgebra lineal. Al plantearlo así, deciden tomar, como hilo articulador, la solución de un sistema de ecuaciones lineales, pues este problema, aparentemente simple, es el verdadero origen de una gran cantidad de conceptos e ideas del álgebra lineal: matriz, determinante, base, dimensión, etc. Y aunque el...

When, at the age of 39, Pere Menal met his untimely death in a traffic accident, he had already held the Chair of Algebra at the Autonomous University of Barcelona, served as an editor of the journal Communications in Algebra, had directed six PhD theses, and had written some 40 papers on ring theory, many of them in collaboration with ring theorists from many parts of the world.

This book presents plane geometry following Hilbert's axiomatic system. It is inspired on R. Hartshome's fantastic book Geometry: Euclid and Beyond, and can be considered as a careful exposition of most of chapter II of that book. It must be remarked that non-euclidean geometries, i.e. geometries not satisfying the fifth postulate of Euclid, enter the scene, in a natural way, from the very beginning. The vast majority of plane geometry texts are only concerned with euclidean geometry, loosing the oportunity of not only teaching rigorous reasoning to freshmen, but at the same time exposing...