921 search results - page 56 / 185 » Abstract Matrix Arithmetic |
CDES
2008
13 years 9 months ago
2008
R-tree data structures are widely used in spatial databases to store, manage and manipulate spatial information. As the data volume of such databases is typically very large, the q...
COMPUTING
2006
13 years 7 months ago
2006
Radial functions are a powerful tool in many areas of multidimensional approximation, especially when dealing with scattered data. We present a fast approximate algorithm for the ...
JAT
2006
13 years 7 months ago
2006
Abstract. Recently M. Dritschel proved that any positive multivariate Laurent polynomial can be factorized into a sum of square magnitudes of polynomials. We first give another pro...
TCOM
2011
13 years 2 months ago
2011
Abstract—We study the ability of low-rate SeriallyConcatenated Low Density Generator Matrix (SCLDGM) codes to approach theoretical limits. Although two layer SCLDGM codes appro...
ISAAC
2007
Springer
14 years 1 months ago
2007
Springer
Valiant introduced some 25 years ago an algebraic model of computation along with the complexity classes VP and VNP, which can be viewed as analogues of the classical classes P and...