Travelling Salesman Problem doc
... of well known TSP test benches such as Eil51 .tsp, Berlin52 .tsp, St70 .tsp, Pr76 .tsp, Kroa100 .tsp, Eil101 .tsp, Tsp2 25 .tsp and A280 .tsp Also, for improving the results in each step, the 2-opt or ... to the soils of the available paths The lower the soil of the path, the more chance it has for being selected by the IWD In this part, we specifically express the steps for solving the TSP The ... Introduction The Travelling Salesman Problem or the TSP is a representative of a large class of problems known as combinatorial optimization problems In the ordinary form of the TSP, a map of...
Ngày tải lên: 26/06/2014, 23:20
... given The traveling salesman problem is to find the shortest tour The Ireland mathematician William Rowan Hamilton and the British mathematician Thomas Kirkman defined the traveling salesman problem ... Traveling Salesman Problem 2.1 Definitions of The Traveling Salesman Problem In this part, we consider the formula of the traveling salesman problem in two ways which are the formal mathematical ... TSP (STSP for short) and the asymmetric TSP (ATSP for short) are two kinds of TSP The TSP is called symmetric if for every pair of cities i and j, the cost between them is the same as the one...
Ngày tải lên: 07/04/2015, 13:13
... sau trở địa điểm ban đầu bưu điện khởi đầu Bài toán người du lịch (người đưa thư) (Travelling Salesman problem (TSP) ) toán tiếng lĩnh vực tối ưu tổ hợp nghiên cứu lý thuyết khoa học máy tính Nội ... tiểu luận trình bày cách giải toán theo hướng tiếp cận nhánh cận theo quy trình xây dựng giải pháp cho vấn đề Với quy mô tiểu luận môn học trình bày thuật toán theo cách đơn giản nhất, với số cài ... Dương Thị Phương Mai TRAVELLING SALESMAN PROBLEM Ngành: Khoa Học Máy Tính Đồ Án Môn Học Thuật Toán Phương Pháp Giải Quyết Vấn Đề...
Ngày tải lên: 23/05/2015, 21:04
TÀI LIỆU THAM KHẢO-Solving Travelling Salesman Problem Using variants of ABC Algorithm
... results and discussions in solving TSP are presented in section and section concludes the paper Travelling Salesman Problem (TSP) The main goal of TSP is that, the salesman travels through a number ... method When the working bees are initialized, the bee optimization loop is set Then the random node is assigned for the bee and then computes the probabilities by the eq (3) and calculates the path ... new one is better than that of the previous one, then the employed bee would memorize the new position and forget the previous one Otherwise it keeps the position of the previous one in its memory...
Ngày tải lên: 02/06/2015, 17:54
Tài liệu Đề tài " The Calder´on problem with partial data " doc
... dimension n ≥ 3, the knowledge of the Cauchy data for the Schr¨dinger equation measured on possibly very small subsets of the o boundary determines uniquely the potential We follow the general strategy ... measurements at the boundary of the body Substantial progress has been made on this problem since Calder´n’s pioneer contribution [3], and is o also known as Calder´n’s problem, in the case where the measurements ... made on the whole boundary This problem can be reduced to studying the Dirichlet-to-Neumann (DN) map associated to the Schr¨dinger equation A o key ingredient in several of the results is the construction...
Ngày tải lên: 16/02/2014, 06:20
Tài liệu Child mental health and educational attainment: multiple observers and the measurement error problem ppt
... question that determines whether the child has a problem in that domain If the child passes the screening question and the relevant SDQ score is normal, the remainder of the section is omitted but, ... psychiatric assessors make the best use they can of the information available to them, exploiting their experience of observing children’s mental health problems and the reactions of other untrained informants ... child indicates that there is a problem or the SDQ score is high, detailed information is collected, including a description of the problem in the informant’s own words The DAWBA parent and child...
Ngày tải lên: 18/02/2014, 15:20
Tài liệu Báo cáo khoa học: "Phrase-Based Statistical Machine Translation as a Traveling Salesman Problem" docx
... is visited exactly once AGTSP The Asymmetric Generalized TSP, or AGTSP: similar to the SGTSP, but G is now a directed graph The STSP is often simply denoted TSP in the literature, and is known ... directly apply existing TSP solvers to SMT The Traveling Salesman Problem and its variants In this paper the Traveling Salesman Problem appears in four variants: STSP The most standard, and most ... STSP, and therefore solved by STSP algorithms Figure 1: AGTSP→ATSP from Yi to X has its origin changed to Yi−1 A feasible tour in the original AGTSP problem passing through X, Yi , Z will then...
Ngày tải lên: 20/02/2014, 07:20
Tài liệu Self-Service Linux: Mastering the Art of Problem Determination pptx
... part of the stack, causing no sideeffect In the other xterm, the memory corruption landed on a pointer on the stack (the long description of the problem is beyond the scope of this chapter) The pointer ... assumptions until they are proven Narrow the scope of the problem Work to prove or disprove theories about the problem The best practices listed here are particularly important for complex problems that ... you solve the problem) 1.3 The Four Phases of Investigation If the problem isn’t too serious, then just make a mental note of this information and continue the investigation If the problem is...
Ngày tải lên: 22/02/2014, 07:20
NITRITE CURING OF MEAT The N-Nitrosamine Problem and Nitrite Alternatives pdf
... 1970s, the development of the so-called “nitrite problem surfaced on account ofthe detection of N-nitrosamines in processed meats The industry was in an uproar, and the issue rose to the very ... The most important ones include species (e.g., the muscles of the hare are richer in Mb than those of the rabbit), breed, sex ( e g , the muscles of the bull contain more Mb than those of the ... ( e g , the muscles of the steer are richer in Mb than those of the calf), anatomical location of the muscle ( e g , the leg muscles in the chicken are richer in Mb than those of the breast),...
Ngày tải lên: 15/03/2014, 09:20
Báo cáo khoa học: "Words and Echoes: Assessing and Mitigating the Non-Randomness Problem in Word Frequency Distribution Modeling" ppt
... based on the empirical standard deviation of the ei across the 20 trials (the confidence intervals are usually somewhat larger than the actual range of values found in the experiments, so they should ... than splitting the data into separate training and test sets, they evaluate the models in an extrapolation setting, where the parameters of the model are estimated on a subset of the data used ... chronologically, the data one wants to generalize to We estimate parameters of the ZM, fZM and GIGP models on each training set, using the zipfR toolkit.5 The models are then used to predict the expected...
Ngày tải lên: 17/03/2014, 04:20
Lund University International Master’s Programme in Environmental Science (LUMES): Assessment of Efforts to Solve the Water Pollution Problem in Kaunas pdf
... environment The object of the analysis is displayed in figure The paper starts with a description of the water pollution problem in Kaunas city which is in the centre of the object of the analysis The ... located along the Neris river, the other two fields are located along the Nemunas river The biggest well field among them is the one located upstream the city along Kaunas reservoir The groundwater ... Neris is the biggest tributary of the Nemunas The basin area of the Neris is 24 492km2 The source of the Neris river is in the territory of Byelorussia More than 140km upstream Kaunas, the Neris...
Ngày tải lên: 23/03/2014, 00:20
The Weapons Mix Problem - A Math Model to Quantify the Effects of Internetting of Fires to the Future Force pptx
... are the result of decisionmaker judgments The value of the targets and the future value of the munitions are on the same relative scale The mathematical program for the value maximization problem ... unassigned and then tasked on -the- fly during combat, which reduced the time between the tasking and the mission engagement 4 The Weapons Mix Problem: A Math Model to Quantify the Effects of ... back into the situation map The process iterates until the allocation of fires provides the decisionmaker with the desired level of attrition to the targets The IOF Allocator works above the tactical...
Ngày tải lên: 23/03/2014, 02:20
A Bayesian network approach to the database search problem in criminal proceedings docx
... H1 represents the proposition The suspect is the source ¯ of the crime stain’ The state H1 represents the composite proposition ‘one of the other N − individuals is the source of the crime stain’ ... database The node H has three states: the suspect is the source of the crime stain’ (H1 ), the second individual in the database is the source of the crime stain’ (H2 ), and the source of the crime ... n ≤ N) of them are on a database The node H has three states: the suspect is the source of the crime stain’ (H1 ), ‘one of the n − other individuals in the database is the source of the crime...
Ngày tải lên: 23/03/2014, 12:20
Báo cáo đồ án trí tuệ nhân tạo: Mô tả không gian trạng thái bài toán người đưa thư (Travelling Saleman Problem – PST) và dùng giải thuật Local Search để giải quyết
... Exit Sub End If t2 = t For i = To If a1(t, i) = Then t = i Exit For End If Next If t = index Then - TH2: tìm điểm xuất phát sau hết TP If dem = - Then dem += duongdi(j + 2) = i Exit For - TH3: ... xuất phát từ điểm ban đầu For i = To If (a1(index, i) < min) Then = a1(index, i) End If Next dodai += For i = To If a1(index, i) = Then t = i duongdi(2) = t End If Next a1(index, t) = max a1(t, ... For j = To - = max For i = To If a1(t, i) < Then = a1(t, i) End If Next dodai += - TH1: không điểm xuất phát điểm xuất phát không qua tất đỉnh If = max Then MsgBox("Bai toan khong co loi giai")...
Ngày tải lên: 25/03/2014, 22:18
Đề tài " Existence and minimizing properties of retrograde orbits to the three-body problem with various choices of masses " potx
... main theorem (Theorem 1) shows the existence of many periodic and quasi-periodic retrograde solutions to the three-body problem provided the mass ratios fall inside the white regions in Figure The ... methods These discoveries attract much attention not only because they are not covered by classical approaches, but also due to the amusing symmetries they exhibit On the other hand, these orbits ... [19], relates the configurations of the three bodies with points on the unit shape sphere In the figure Λj represents isosceles triangles with jth mass equally distant from the other two The equator...
Ngày tải lên: 29/03/2014, 07:20
On the discrete logarithm problem on algebraic tori
... that the lower communication cost offered by these tori, may also be exploited by the cryptanalyst In practice, the DLP in T2 and T6 are most important, since they determine the security of the ... g(x) = p(x), then the roots a1 , , am will be the affine representation of the elements of the factor base which sum to R and we have found a relation On the Discrete Logarithm Problem on Algebraic ... characteristic, not the degrees nor the numbers of terms To determine the properties of these systems of equations we computed the Gr¨bner basis w.r.t the lexicographic ordering using the Magma o implementation...
Ngày tải lên: 13/05/2014, 22:10
john derbyshire - prime obsession bernhard riemann and the greatest unsolved problem in mathemati
... over the world Whether these new approaches and incentives will crack the Riemann Hypothesis at last remains to be seen Unlike the Four-Color Theorem, or Fermat’s Last Theorem, the Riemann Hypothesis ... dormancy—of the moments of the zeta function Nor is there any mention of the Generalized Riemann Hypothesis, the Modified Generalized Riemann Hypothesis, the Extended Riemann Hypothesis, the Grand ... factors They are, to use a word mathematicians rather like, “trivial” factors The interesting factors are the others: 2, 4, 7, and 14 These are called the proper factors The number 28, therefore,...
Ngày tải lên: 05/06/2014, 11:08
The mathscope All the best fromVietnamese Problem Solving Journals
... times where there are n radical signs in the expression of the numerator and n − ones in the expression of the denominator 296 (Vi Quoc Dung) Let ABC be a triangle and M the midpoint of BC The external ... Thang) Let p be the semiperimeter and R the circumradius of triangle ABC Furthermore, let D, E, F be the excenters Prove that √ DE + EF + F D2 ≥ 3pR, and determine the equality case All the best from ... respectively at D, E, and F The escribed circle of triangle ABC in the angle A has center Q and touches the side BC and the rays AB, AC respectively at K, H, and I The line DE meets the rays BO and CO...
Ngày tải lên: 05/06/2014, 17:52