Sökning: "Constraints"

Visar resultat 11 - 15 av 1966 avhandlingar innehållade ordet Constraints.

  1. 11. Set Constraints for Local Search

    Författare :Magnus Ågren; Pierre Flener; Justin Pearson; Gilles Pesant; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Computer science; combinatorial problems; constraint-based local search; constraint-directed search; constraint programming; incremental algorithms; monadic existential second-order logic; neighbourhoods; penalty; set variables; set constraints; variable conflicts; Computer science; Datavetenskap; Datavetenskap; Computer Science;

    Sammanfattning : Combinatorial problems are ubiquitous in our society and solving such problems efficiently is often crucial. One technique for solving combinatorial problems is constraint-based local search. Its compositional nature together with its efficiency on large problem instances have made this technique particularly attractive. LÄS MER

  3. 12. The Interplay Between Selection And Constraints On Adaptive Divergence And Phenotypic Evolution

    Författare :Fabrice Eroukhmanoff; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Selection; Constraints; Adaptive Divergence; G-matrix; Gene Flow.; Speciation;

    Sammanfattning : Under natural or sexual selection, individuals with advantageous traits or combinations of traits will be more successful than their peers at surviving and/or reproducing. Provided these traits are heritable, meaning that they have a genetic basis, the traits combinations which are selected for, will increase in frequency in the population. LÄS MER

  4. 13. Protein modelling by the zipping and assembly method with limited NMR-derived constraints

    Författare :Maryana Wånggren; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Molecular dynamics simulations; protein folding; constraints;

    Sammanfattning : Molecular dynamics simulations, often combined with simulated annealing, are commonly used when calculating structural models of proteins, e.g. based on NMR experiments. However, one is often faced with limited and, sometimes, insufficient information for determining a well-resolved 3D structure. LÄS MER

  5. 14. Analysis, synthesis and application of automaton-based constraint descriptions

    Författare :María Andreína Francisco Rodríguez; Justin Pearson; Pierre Flener; Christopher Jefferson; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; constraint programming; constraint predicates; global constraints; automata; automaton-described constraint predicates; automaton-induced constraint decompositions; implied constraints; time-series constraints; transducers; automaton invariants; Computer Science; Datavetenskap;

    Sammanfattning : Constraint programming (CP) is a technology in which a combinatorial problem is modelled as a conjunction of constraints on variables ranging over given initial domains, and optionally an objective function on the variables. Such a model is given to a general-purpose solver performing systematic search to find constraint-satisfying domain values for the variables, giving an optimal value to the objective function. LÄS MER

  7. 15. Determinants of Small Enterprise Development of Bangladesh : Investigation of Constraints From Institutional Perspective

    Författare :Jahangir Hossain Khan; Björn Bjerke; Akmal S. Hyder; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; constraints barriers; entrepreneurship development and supply; financial support; market relation and integration; technology; policy and institutional support; integrated approach; small enterprise; development matrix; Business studies; Företagsekonomi;

    Sammanfattning : x.... LÄS MER