Software Testing, Second Edition provides practical insight into the world of software testing and quality assurance. Learn how to find Problems in any computer program, how to plan an effective test approach and how to tell when software is ready for release. Updated from the previous edition in 2000 to include a chapter that specifically deals with testing software for security bugs, the processes and techniques used throughout the book are timeless. This book is an excellent investment if you want to better understand what your Software Test team does or you want to write better software.
标签： practical Software provides software
上传时间： 2015-04-30
上传用户：bjgaofei
For the incomplete methods, we kept the representation of the queens by a table and the method of calculation to determine if two queens are in conflict, which is much faster for this kind of Problems than the representation by a matrix. heuristics: descent. Tests: 100 queens in less than 1 second and 67 iterations. 500 queens in 1 second and 257 iterations. 1000 queens in 11 seconds and 492 iterations. heuristics: Simulated annealing. Tests: 100 queens in less than 1 second and 47 iterations. 500 queens in 5 seconds and 243 iterations. 1000 queens in 13 seconds and 497 iterations. heuristics: based on Simulated Annealing. Tests: 100 queens in less than 1 second and 60 iterations. 500 queens in 1 second and 224 iterations. 1000 queens in 5 seconds and 459 iterations. 10 000 queens in 20 minutes 30 seconds and 4885 iterations.
标签： the representation incomplete methods
上传时间： 2015-05-05
上传用户：1159797854
ABAQUS is a general purpose finite element analysis program which is widely used to analyses mechanical, structure and civil engineering Problems. Abaqus has some special feature for analysing fracture mechanics Problems, and therefore it is a main tools for the FE-analysis in the Fracture Group at the Mechanical Engineering at Glasgow Universtity. The software which can transfer data from Abaqus into a Matlab readable environment has been developed as a part of a research program in Constraint Estimation in Fracture Mechanics. This research program was funded by a grant from the Defence Research Agency through Prof. J. Sumpter.
标签： analysis analyses general element
上传时间： 2015-05-13
上传用户：xfbs821
The module LSQ is for unconstrained linear least-squares fitting. It is based upon Applied Statistics algorithm AS 274 (see comments at the start of the module). A planar-rotation algorithm is used to update the QR- factorization. This makes it suitable for updating regressions as more data become available. The module contains a test for singularities which is simpler and quicker than calculating the singular-value decomposition. An important feature of the algorithm is that it does not square the condition number. The matrix X X is not formed. Hence it is suitable for ill- conditioned Problems, such as fitting polynomials. By taking advantage of the MODULE facility, it has been possible to remove many of the arguments to routines. Apart from the new function VARPRD, and a back-substitution routine BKSUB2 which it calls, the routines behave as in AS 274.
标签： least-squares unconstrained Statisti Applied
上传时间： 2015-05-14
上传用户：aig85
物流分析工具包。Facility location: Continuous minisum facility location, alternate location-allocation (ALA) procedure, discrete uncapacitated facility location Vehicle routing: VRP, VRP with time windows, traveling salesman problem (TSP) Networks: Shortest path, min cost network flow, minimum spanning tree Problems Geocoding: U.S. city or ZIP code to longitude and latitude, longitude and latitude to nearest city, Mercator projection plotting Layout: Steepest descent pairwise interchange (SDPI) heuristic for QAP Material handling: Equipment selection General purpose: Linear programming using the revised simplex method, mixed-integer linear programming (MILP) branch and bound procedure Data: U.S. cities with populations of at least 10,000, U.S. highway network (Oak Ridge National Highway Network), U.S. 3- and 5-digit ZIP codes
标签： location location-allocation Continuous alternate
上传时间： 2015-05-17
上传用户：kikye
Exceptional C++ shows by example how to go about sound software engineering in standard C++. Do you enjoy solving thorny C++ Problems and puzzles
标签： Exceptional engineering software standard
上传时间： 2015-05-25
上传用户：changeboy
Expert Choice represents a significant contribution to the decision making process 工t assists a decision maker in solving complex Problems involving many criteria and several courses of action . An Expert Choice solution to a problem reflects the expertise of the decision maker , not the computer . Behavioral scientists have spent many years studying the human mind and how it makes decisions . They have found that humans are influenced by their previous experiences and this causes them to have biases . Basic instincts , preferences and environmental factors also play key roles in how we analyze data and make decisions . There 15 way to remove these factors from human decision making , nor would we necessarily want to , but as the Problems of our world become more and more complex , it 15 necessary for us to employ a framework to help make more logical and less biased decisions while still taking our feelings and intuition into consideration .
标签： contribution significant represents decision
上传时间： 2015-06-02
上传用户：gmh1314
W2kPrintDrvSample Feature ======= * Support two page directions, portrait and landscape * Support just one page size, A4 * Support two resolutions, 200 x 200 and 100 x 100 dpi * Support two color mode, color(24bpp) and monochrom * Support halftoning in monochromatic mode * Support color identifying(7 colors) * Support type identifying(3 types) ... Usage ===== * 在monochromatic mode下，可以通过设置黑色的输出类型来控制输出 * 在color mode下，可以通过设置各个颜色的输出类型来控制输出，7种 颜色以外的颜色都作为黑色来识别 * 在输出多页文件时，可以分别指定每页的输出文件名，也可以使用自动 添加页号的功能 ... Known Problems ============== Developer Notes =============== * 在windows ddk 命令行环境下编译 参考步骤： 1. 将W2kPrintDrv解压至DDK安装目录 2. 执行“开始”菜单->Developement Kits->Windows 2000 DDK->Checked Build Enviroment 3. 在命令行环境输入 > cd W2kPrintDrv > build Author ====== terrificskyfox <terrificskyfox@yahoo.com.cn>
标签： W2kPrintDrvSample directions landscape portrait
上传时间： 2015-06-11
上传用户：GHF
％ [BestPop,Trace]=fmaxga(FUN,LB,UB,eranum,popsize,pcross,pmutation) ％ Finds a maximum of a function of several variables. ％ fmaxga solves Problems of the form: ％ max F(X) subject to: LB <= X <= UB ％ BestPop--------最优的群体即为最优的染色体群 ％ Trace----------最佳染色体所对应的目标函数值 ％ FUN------------目标函数 ％ LB-------------自变量下限 ％ UB-------------自变量上限 ％ eranum---------种群的代数,取100--1000(默认1000) ％ popsize--------每一代种群的规模；此可取50--100(默认50) ％ pcross---------交叉的概率,此概率一般取0.5--0.85之间较好(默认0.8) ％ pmutation------变异的概率,该概率一般取0.05-0.2左右较好(默认0.1) ％ options--------1×2矩阵,options(1)=0二进制编码(默认0),option(1)~=0十进制编码,option(2)设定求解精度(默认1e-4)
标签： pmutation BestPop popsize maximum
上传时间： 2015-07-16
上传用户：Altman
This is the machine-generated representation of a Handle Graphics object and its children. Note that handle values may change when these objects are re-created. This may cause Problems with any callbacks written to depend on the value of the handle at the time the object was saved.
标签： machine-generated representation Graphics children
上传时间： 2013-12-18
上传用户：miaochun888
