Scientific Computation Seminar - Eduardo D'Azevedo, CS Grad Student - Thread - go-pugleaf

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1 total messages Started by U.Thoene Wed, 16 Aug 1989 19:55

Scientific Computation Seminar - Eduardo D'Azevedo, CS Grad Student

Author: U.Thoene
Date: Wed, 16 Aug 1989 19:55

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DEPARTMENT OF COMPUTER SCIENCE
UNIVERSITY OF WATERLOO
SEMINAR ACTIVITIES




SCIENTIFIC COMPUTATION SEMINAR

                    - Monday, August 21, 1989

Mr. Eduardo D'Azevedo, CS Graduate Student, will  speak
on   ``Optimal   Triangulation   for  Piecewise  Linear
Approximation''.


TIME:               1:30 PM

ROOM:               DC3540



ABSTRACT

In this talk, we  show  how  coordinate  transformation
techniques  can  be used to generate optimal triangular
meshes for function approximation.  Although  the  main
area  of  application is in finite element computation,
we  use  the  model   problem   of   piecewise   linear
interpolation   to  demonstrate  the  techniques.   The
transformation maps the original  plane  in  which  the
error  properties of the data function are variable and
in which the error properties of the data function  are
variable  and directional to a ``flat'' space where the
error function has uniform, non-directional properties.
Using  this  approach,  we  discuss two optimal meshing
problems,   optimal    incidence    relationship    for
arbitrarily  space data points and optimal placement of
mesh vertices.

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