Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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It is said that the Dynamic
always gives the optimal solution. How far do you agree? Justify.
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- An instance may have many optimal solutions with exactly the same cost. The postcondition of the problem allows any one ofthese to become output. In any recursive backtracking algorithm, which line of codechooses which of these optimal solutions will be selected?arrow_forwardCalculate the optimal value of the decision parameter p in the Bresenham's circle drawing algorithm. The stepwise procedure for implementing Bresenham's algorithm for circle drawing is delineated.arrow_forwardInsufficient Overlapping Subproblems and the Principle of Optimality (Optimal Substructure) are both acceptable queries for dynamic programming. Consider All-Pairs Shortest Paths as an illustration of the difficulty in achieving these two requirements.arrow_forward
- Both the Principle of Optimality (Optimal Substructure) and Insufficient Overlapping Subproblems are valid inputs for dynamic programming. To see how difficult it is to meet these two criteria, consider the case of All-Pairs Shortest Paths.arrow_forwardHi , is it possible for someone to insert in this genetic algorithm in matlab equations, values, equations of constraints and values in order to be able to have a code that can adapt to mine please? King regards % Define decision variables, objectives, and constraintsnvars = 5; % number of decision variablesnobj = 8; % number of objectivesncon = 20; % number of constraints % Set up genetic algorithm optionsoptions = optimoptions('ga', ... 'PopulationSize', 100, ... 'MaxGenerations', 100, ... 'MutationFcn', {@mutationuniform, 0.05}, ... 'CrossoverFcn', @crossoverarithmetic); % Define objective and constraint evaluation functionsobjfun = @(x) [obj1(x), obj2(x), obj3(x), obj4(x), -obj5(x), -obj6(x), -obj7(x), -obj8(x)];confun = @(x) deal(con1(x), con2(x), ..., con20(x)); % Run genetic algorithm[x, fval, exitflag, output, population, scores] = ga(objfun, nvars, [], [], [], [], [], [], confun, options); % Plot Pareto frontpareto(fval(:,1:nobj/2),…arrow_forwardIt clarifies dynamic programming optimality?arrow_forward
- A school is creating class schedules for its students. The students submit their requested courses and then a program will be designed to find the optimal schedule for all students. The school has determined that finding the absolute best schedule cannot be solved in a reasonable time. Instead they have decided to use a simpler algorithm that produces a good but non-optimal schedule in a more reasonable amount of time. Which principle does this decision best demonstrate?arrow_forwardDescribe each of the four layers of the TCP/IP abstraction stack.arrow_forwardHow does duality help in the study of convex optimization problems?arrow_forward
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