نتایج جستجو برای: grid distribution map
تعداد نتایج: 858378 فیلتر نتایج به سال:
Let G be a graph, and denote by Q(G)/2t the hypercube of dimension log2|G|-t. Motivated by the problem of simulating large grids by small hypercubes, we construct maps f:G→Q(G)/2t, t ≥1, when G is any two or three dimensional grid, with a view to minimizing communication delay and optimizing distribution of G-processors in Q(G)/2t. Let dilation(f) = max{dist(f(x),f(y)): xy E(G)}, where "dist"...
A method for calculating and displaying patterns of local density of plants and animals is presented for use with personal computers. The algorithm, coded in the BASIC programming language, uses x,y spatial point coordinates of organisms to calculate and display a coloured or shaded map of local densities within grid cells. The radius of the local areas about the grid points within which densit...
In the real world, it is not always true that the nextdoor house is close to my house, in other words, “neighbors” are not always “true neighbors”. In this study, we propose a new Self-Organizing Map (SOM) algorithm, SOM with False Neighbor degree between neurons (called FN-SOM). The behavior of FN-SOM is investigated with learning for various input data. We confirm that FN-SOM can obtain the m...
saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...
ents near these stations become increasingly steep. The generalized skew map selected for this study was based on a grid spacing of 20,000 meters and 12 stations. The part of the map for western Oregon is shown in figure 8. This map was selected because it had the smallest mean square error while having skew isolines that are smooth and with no peaks or valleys. This map offers considerable imp...
Background: An effective method for management of large and bulky malignant tumors. This treatment modality is also known as Specially Fractionated Radiation Therapy (SFRT). In this treatment technique a grid block converted the open radiation field into a series of pencil beams. Dosimetric characteristics of an external beam grid radiation field have been investigated using experimental and Mo...
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