Exploració per autor "Mata Burgarolas, Nuria"
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A Data structure for solving geometric construction problems with interval parameters
Joan Arinyo, Robert; Mata Burgarolas, Nuria (2000-04)
Report de recerca
Accés obertIn advanced computer-aided design systems, an object is defined by a finite collection of points, linear segments, and circular segments, and a finite set of geometric constraints relating these points and segments. Given ... -
Basic geometric operations in ruler-and-compass constraint solvers using interval arithmetic
Joan Arinyo, Robert; Mata Burgarolas, Nuria (1998-03)
Report de recerca
Accés obertIn this paper we report on a successful application of interval arithmetic to extend the basic geometric operations underlying the ruler-and-compass geometric constraint solving technique to deal with problems where ... -
How to compute tight enclosures for the range of a multi-dimensional differentiable function
Mata Burgarolas, Nuria (1999-12)
Report de recerca
Accés obertThis paper presents an algorithm to compute tight enclosures for the range of a differentiable function f restricted to an interval vector. The algorithm combines two different approaches: a gradient-based method, ... -
Interval analysis applied to constraint feasibility in geometric constraint solving
Joan Arinyo, Robert; Mata Burgarolas, Nuria (1998-01)
Report de recerca
Accés obertIn design and manufacturing applications, users of computer aided design systems are very often interested in knowing the range of values for some dimensions that define the object under design. This work reports on ... -
NP-hardness in geometric construction problems with one interval parameter
Mata Burgarolas, Nuria; Kreinovich, Vladik (1998-11-02)
Report de recerca
Accés obertOne of the tasks of Computer-Aided Design/Computer-Aided Manufacturing is to transform an object's technical drawing - in which geometry is described by distances and angles - into precise coordinates of the object's ... -
Solving incidence and tangency constraints in 2D
Mata Burgarolas, Nuria (1997-01)
Report de recerca
Accés obertThis paper reports on solving geometric constraint satisfaction problems involving incidence and tangency constraints in 2D. A variational geometric constraint solver based on a constructive approach is used: the ...