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131
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SIAMCO
2008
15 years 4 months ago
2008
We analyze controllability and observability conditions for second order descriptor systems and show how the classical conditions for first order systems can be generalized to this...
120
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SIAMJO
2008
15 years 4 months ago
2008
We propose a new class of stochastic integer programs whose special features are dominance constraints induced by mixed-integer linear recourse. For these models, we establish clo...
141
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SIAMJO
2008
15 years 4 months ago
2008
A new active set algorithm for minimizing quadratic functions with separable convex constraints is proposed by combining the conjugate gradient method with the projected gradient. ...
123
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DKE
2000
15 years 4 months ago
2000
: The duality of objects and relationships is so deeply embedded in our thinking that almost all modelling languages include it as a fundamental distinction. Yet there is evidence ...
117
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COMPUTING
2002
15 years 4 months ago
2002
We consider a general framework for analysing the convergence of multi-grid solvers applied to finite element discretisations of mixed problems, both of conforming and nonconformi...