نتایج جستجو برای: tchebychev distance
تعداد نتایج: 238300 فیلتر نتایج به سال:
مقدمه: درمان شکستگی اینترتروکانتریک امروزه یکی از معضلات اصلی در سنین بالا محسوب می شود. به خصوص در شکستگی های ناپایدار و بیماران دارای استئوپروز شدید نتایج درمان جراحی مطلوب نمی باشد. عوامل مختلفی در نتایج درمان موثرند که در این مطالعه یک معیار جدید که احتمالاً در پیش آگهی درمان موثر است، مطرح گردیده است. مواد و روش ها: از مهر سال 1385 تا شهریور 1389، تعداد89 بیمار که شکستگی اینترتروکانتریک نا...
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in this paper, a novel patch geodesic derivative pattern (pgdp) describing the texture map of a face through its shape data is proposed. geodesic adjusted textures are encoded into derivative patterns for similarity measurement between two 3d images with different pose and expression variations. an extensive experimental investigation is conducted using the publicly available bosphorus and bu-3...
the average distance of a vertex $v$ of a connected graph $g$is the arithmetic mean of the distances from $v$ to allother vertices of $g$. the proximity $pi(g)$ and the remoteness $rho(g)$of $g$ are defined as the minimum and maximum averagedistance of the vertices of $g$. in this paper we investigate the difference between proximity or remoteness and the classical distanceparameters diameter a...
The D-eigenvalues {µ1,…,µp} of a graph G are the eigenvalues of its distance matrix D and form its D-spectrum. The D-energy, ED(G) of G is given by ED (G) =∑i=1p |µi|. Two non cospectral graphs with respect to D are said to be D-equi energetic if they have the same D-energy. In this paper we show that if G is an r-regular graph on p vertices with 2r ≤ p - 1, then the complements of iterated lin...
A {it topological index} of a graph is a real number related to the graph; it does not depend on labeling or pictorial representation of a graph. In this paper, we present the upper bounds for the product version of reciprocal degree distance of the tensor product, join and strong product of two graphs in terms of other graph invariants including the Harary index and Zagreb indices.
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