نتایج جستجو برای: algorithm complexity

تعداد نتایج: 978080  

Journal: :international journal of robotics 0
farnaz adib yaghmaie faculty of electrical engineering, k. n. toosi univ. of technology, tehran, iran amir mobarhani faculty of electrical engineering, k. n. toosi univ. of technology, tehran, iran hamidreza d. taghirad faculty of electrical engineering, k. n. toosi univ. of technology, tehran, iran

in this study, the problem of navigation in dynamic and unknown environment is investigated and a navigation method based on force field approach is suggested. it is assumed that the robot performs navigation in unknown environment and builds the map through slam procedure. since the moving objects' location and properties are unknown, they are identified and tracked by kalman filter. kalm...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1386

چکیده ندارد.

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم انسانی 1390

this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...

Journal: :journal of industrial engineering, international 2006
parviz fattahi mohammad saidi mehrabad mir b. aryanezhad

scheduling for job shop is very important in both fields of production management and combinatorial op-timization. however, it is quite difficult to achieve an optimal solution to this problem with traditional opti-mization approaches owing to the high computational complexity. the combination of several optimization criteria induces additional complexity and new problems. in this paper, we pro...

Journal: :journal of optimization in industrial engineering 2013
mostafa nikkhah nasab amir abbas najafi

projects scheduling by the project portfolio selection, something that has its own complexity and its flexibility, can create different composition of the project portfolio. an integer programming model is formulated for the project portfolio selection and scheduling.two heuristic algorithms, genetic algorithm (ga) and simulated annealing (sa), are presented to solve the problem. results of cal...

Journal: :journal of computer and robotics 0
mohammad reza keyvanpour department of computer engineering, alzahra university, tehran, iran mostafa javideh shamsipoor technical college, tehran, iran mohammad reza ebrahimi islamic azad university, qazvin branch, qazvin, iran

traditional leveraging statistical methods for analyzing today’s large volumes of spatial data have high computational burdens. to eliminate the deficiency, relatively modern data mining techniques have been recently applied in different spatial analysis tasks with the purpose of autonomous knowledge extraction from high-volume spatial data. fortunately, geospatial data is considered a proper s...

Journal: :رادار 0
محمدرضا تابان فرزاد انصاری

in this paper, we deal with the problem of clutter and direct signal (c&ds;) cancelation in the target detection of tv-based passive radars. we first consider the target detection using the conventional fft method. we see that for increasing the maximum range of passive radar, we must cancel the c&ds; from the received signal. hence, we investigate some important methods for c&ds; cancelation i...

Journal: :Foundations and Trends® in Theoretical Computer Science 2016

Journal: :Journal of Korean Institute of Intelligent Systems 2008

In this paper, we propose an arc-search corrector-predictor interior-point method for solving $P_*(kappa)$-linear complementarity problems. The proposed algorithm searches the optimizers along an ellipse that is an approximation of the central path. The algorithm generates a sequence of iterates in the wide neighborhood of central path introduced by Ai and Zhang. The algorithm does not de...

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