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 dual constraints Time window and unit capacity: dual constraints on the acquisition of serial information in songbirds We prove the $\mathcal{NP}$-hardness of the optimisation problem defined by dual constraints. The dual constraints are not all linear, but the notion ofdegrees of difficulty is maintained in its geometric programming sense. Ambient, amine-cured epoxy compositions exist within the dual constraints of VOC regulation and the vitrification effect, which limits the ultimate Tg of these materials. The extension of these functionals to the case in which kinematic constraints are presented leads to the useful concept of dual constraints, which can be advantageously employed in treating problems involving contact, impact, and changing topology. Here the dual constraints of compliance with the image irradiance equation and local surface smoothness are captured by an error function. Notice that now the primal and dual constraints might be sigtly violated but this can be taken care of in the rounding step.

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2008 CNKI－中国知网

2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社