DM
2011
13 years 7 months ago
2011
Fix an element x of a finite partially ordered set P on n elements. Then let hi(x) be the number of linear extensions of P in which x is in position i, counting from the bottom. T...
LISP
2006
14 years 20 days ago
2006
We introduce a concrete semantics for floating-point operations which describes the propagation of roundoff errors throughout a calculation. This semantics is used to assert the co...
STACS
2000
Springer
14 years 4 months ago
2000
Springer
We investigate self-testing programs with relative error by allowing error terms proportional to the function to be computed. Until now, in numerical computation, error terms were ...
ISCAS
1999
IEEE
14 years 5 months ago
1999
IEEE
A lower-error and lower-variance nn
ICIP
2000
IEEE
15 years 2 months ago
2000
IEEE
An iterative solution to the problem of image deconvolution is presented. The previous image estimate is pre-filtered using a stabilizing function that is updated based on current...