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134
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JSCIC
2007
15 years 6 months ago
2007
We present a new preconditioner for the iterative solution of linear systems of equations arising from discretizations of systems of first order partial differential equations (P...
129
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SIAMAM
2002
15 years 6 months ago
2002
Abstract. We present numerical solutions of a two-dimensional Riemann problem for the unsteady transonic small disturbance equations that provides an asymptotic description of the ...
180
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a linear combination of the input variables while constraining the number of nonze...
163
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ESA
2008
Springer
15 years 8 months ago
2008
Springer
A truthful mechanism consists of an algorithm augmented with a suitable payment function which guarantees that the "players" cannot improve their utilities by "chea...
146
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SAC
2009
ACM
16 years 1 months ago
2009
ACM
The Problem Frames approach captures problems as seen by developers, but not by stakeholders. This paper presents a framework that extends the problem diagram of the Problem Frame...