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» On Sketching Quadratic Forms
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AML
2005
65views more  AML 2005»
13 years 9 months ago
Axiomatization of local-global principles for pp-formulas in spaces of orderings
es of orderings (an abstract version of real spectras of formally real fields), for which they are expressed as local-global principles: A property of quadratic forms (expressed as...
Vincent Astier, Marcus Tressl
CVPR
2005
IEEE
14 years 11 months ago
On the Absolute Quadratic Complex and Its Application to Autocalibration
This article introduces the absolute quadratic complex formed by all lines that intersect the absolute conic. If denotes the 3 ? 3 symmetric matrix representing the image of that ...
Jean Ponce, Kenton McHenry, Théodore Papado...
ADCM
2008
76views more  ADCM 2008»
13 years 9 months ago
A multivariate Powell-Sabin interpolant
We consider the problem of constructing a C1 piecewise quadratic interpolant, Q, to positional and gradient data defined at the vertices of a tessellation of n-simplices in IRn . T...
Tatyana Sorokina, Andrew J. Worsey
FOCM
2006
50views more  FOCM 2006»
13 years 9 months ago
Online Learning Algorithms
In this paper, we study an online learning algorithm in Reproducing Kernel Hilbert Spaces (RKHS) and general Hilbert spaces. We present a general form of the stochastic gradient m...
Steve Smale, Yuan Yao
ICCAD
2005
IEEE
106views Hardware» more  ICCAD 2005»
14 years 3 months ago
Fast balanced stochastic truncation via a quadratic extension of the alternating direction implicit iteration
— Balanced truncation (BT) model order reduction (MOR) is known for its superior accuracy and computable error bounds. Balanced stochastic truncation (BST) is a particular BT pro...
Ngai Wong, Venkataramanan Balakrishnan