نتایج جستجو برای: برنامهنویسی gams
تعداد نتایج: 1399 فیلتر نتایج به سال:
The development of a disjunctive program solver is described in this paper. First, the implementation of a language compiler needed to formulate discrete decisions thorough disjunctions is presented. The proposed language is implemented as a superset of the commercial mathematical program system solver GAMS. The interactions between both systems are also detailed. Finally, the steps executed to...
Abstract Background Glioblastoma multiforme is a highly malignant primary brain tumor with an average survival of 14 months and very limited therapeutic options. Glioma associated microglia macrophages (GAMs) foster growth by releasing several cytokines, which have only partly been identified. Here, we studied the chemokine (C-C motif) ligand 18 (CCL18), expressed in human, but not rodent GAMs,...
In the Greater Yellowstone Ecosystem, counts of female grizzly bears (Ursus arctos) with cubs-of-the-year (females cubs) from systematic aerial surveys and opportunistic ground sightings are combined demographic data to derive annual population estimates. We addressed 2 limitations monitoring approach. As part a rule set, conservative distance >30 km currently is used as threshold assign unique...
Atmospheric heterogeneity mainly exposes itself as tropospheric-phase delay in Satellite Interferometric Synthetic Aperture radar (InSAR) observations, which smears or even overshadows the deformation component of InSAR measurements. In this study, we estimated performance four Global Models (GAMs), i.e. European Centre for Medium-Range Weather Forecasts (ECMWF) Reanalysis v5 (ERA5), ERA-Interi...
Two main research areas in Pattern Recognition are pattern classification and pattern restoration. In the literature, many models have been developed to solve many of the problems related to these areas. Among these models, Associative Memories (AMs) can be highlighted. An AM can be seen as a one-layer Neural Network. Recently, a Geometric Algebra based AM model was developed for pattern classi...
This paper documents a new version of the GTAPinGAMS package which includes two global economic datasets, GTAPinGAMS and GTAP-EG, corresponding illustrative models, and several ancillary programs for dataset management. The GTAPinGAMS is a dataset based on a general GTAPv4 dataset. The GTAP-EG is the energy-economy dataset adjusted for OECD International Energy Agency (IEA) statistics. The illu...
Time-series data collected over a four-year period were used to characterize patterns of abundance for pelagic fishes in the northern Gulf of Mexico (GoM) before (2007-2009) and after (2010) the Deepwater Horizon oil spill. Four numerically dominant pelagic species (blackfin tuna, blue marlin, dolphinfish, and sailfish) were included in our assessment, and larval density of each species was low...
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