8. 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 detormined 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 timne. Which principle docs this decision best demonstrate? A. Unreasonable algorithms may sometimes also be undecidable O B. Heuristics can be used to solve sorme problems for which no reasonable algorithm exists O Two algorithms that solve the same problem must also have the same efficiency D. Approxirmate solutions are often identical to optimal solutions:

8. 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 detormined 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 timne. Which principle docs this decision best demonstrate? A. Unreasonable algorithms may sometimes also be undecidable O B. Heuristics can be used to solve sorme problems for which no reasonable algorithm exists O Two algorithms that solve the same problem must also have the same efficiency D. Approxirmate solutions are often identical to optimal solutions:

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

8. 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? A. Unreasonable algorithms may sometimes also be undecidable B. Heuristics can be used to solve some problems for which no reasonable algorithm exists C. Two algorithms that solve the same problem must also have the same efficiency D. Approximate solutions are often identical to optimal solutions 0000
Classes are scheduled at a school. Once students have submitted their course requests, a computer algorithm can determine the optimal schedule for everyone. The school has concluded that it will take too long to determine the best schedule. Instead, they resort to a less sophisticated method that produces a serviceable if not ideal timetable. Which guiding concept is represented here?
A problem with optimization is specified:The input is one instance as a prerequisite.Postconditions: The result is one of the acceptable solutions in this situation, with the best (minimum or maximum, as appropriate) success metric. (The outputted solution need not be original.)
Scheduling classes for the next semester. After students input their preferred course load, an algorithm will be developed to determine the best possible timetable for them all. The school has concluded that the optimal timetable cannot be developed in a practical amount of time. The team has instead opted to utilize a simpler method that generates a satisfactory if not ideal plan in a more manageable length of time. Which guiding concept is most evident in this choice?
The Night Owls Society is arranging a conference. To minimize costs, they want to schedule as many sessions as possible in the main ballroom. Since night owls go to bed late and wake up late, they want sessions to begin as late as possible and don't care how late they run. Each session has a fixed start time and a fixed end time, though sessions may overlap. For example, the sessions may be as follows. (In a realistic version of this problem, there may be many more sessions.) Session Name Basket weaving Floral arrangements Cake decoration Cookie baking Pasta making Start time End time 10:30 AM 11:45 AM 10:45 AM 12:30 PM 12:15 AM 2:00 PM 12:45 PM 3:00 PM 2:15 PM 4:30 PM Table decoration 3:30 PM 5:45 PM a. Define what it means for this problem to have optimal substructure. b. Show that this problem does have optimal substructure. c. What algorithmic strategy can one use to solve a problem with optimal substructure? (Do not write out the algorithm.) d. What does it mean for a problem to…
It has been observed by management that some faculty members at theuniversity demonstrate a lackadaisical attitude toward teaching. They seldom go to class yet at the end of each month they receive full salary. Management has decided that GHs 200, 300, 400, and 500 will be deducted from a faculty’s salary if he/she offends once, twice, third time and forth time respectively in a month. This means that if a faculty member offends once in a month GHs200 will be deducted, if a faculty member offends twice in a month, GHs 500 (i.e. 200+300) will be deducted, if a faculty member offends three times in a month GHs 900 (i.e. 200+300+400), will be deducted and if a faculty member offends four times in a month GHs 1,400 (i.e. 200+300+400+500). Assuming all faculty members are on a flat salary rate of GHs 2000.a. Write a program to request for the names of four faculty members and number times he/she has absented him/herself from class in a month.One of them should have absented him/herself…
4. Consider the Railway Reservation System. There are a number of trains and each train stops in one or more stations. Each train has a predetermined number of seats available in each of classes (First class, First AC, Second AC, Third AC, Sleeper and so on). The fare between two stations is determined by the class of travel and the distance. Passenger can enquire about the availability of seats between any two stations and for any class. The Railway Reservation System should be able to handle the queries and perform the necessary reservation/ cancellation operations. Draw a class diagram for the case study.
A materials engineer wants to study the effects of two different processes for sintering copper (aprocess by which copper powder coalesces into a solid but porous copper) on two different typesof copper powders. From each type of copper powder, she randomly selects two samples andthen randomly assigns one of the two sintering processes to each sample by the flip of a coin.The response of interest measured is the porosity of the resulting copper. Explain what type ofstudy this is and why.
It has been observed by management that some faculty member at the university demonstrates a lackadaisical attitude toward work. They seldom go to class yet at the end of each month they receive full salary. Management has decided that GHs 200, 300, 400, and 500 will be deducted from a faculty’s salary if he/she offends once, twice, third time and forth time respectively in a month. This means that if a faculty member offends once in a month GHs 200 will be deducted, if a faculty member offends twice in a month, GHs 500 (i.e. 200+300) will be deducted, if a faculty member offends three times in a month GHs 900 (i.e. 200+300+400), will be deducted and if a faculty member offends four times in a month GHs 1,400 (i.e. 200+300+400+500). Assuming all faculty members are on a flat salary rate of GHs 2500.a. Write a program to request for the names of four faculty members and number times he/she has absented him/herself from class. One of them should have absented him/herself once, another…
It has been observed by management that some faculty member at the university demonstrates a lackadaisical attitude toward work. They seldom go to class yet at the end of each month they receive full salary. Management has decided that GHs 200, 300, 400, and 500 will be deducted from a faculty’s salary if he/she offends once, twice, third time and forth time respectively in a month. This means that if a faculty member offends once in a month GHs 200 will be deducted, if a faculty member offends twice in a month, GHs 500 (i.e. 200+300) will be deducted, if a faculty member offends three times in a month GHs 900 (i.e. 200+300+400), will be deducted and if a faculty member offends four times in a month GHs 1,400 (i.e. 200+300+400+500). Assuming all faculty members are on a flat salary rate of GHs 2500.a. Write a program to request for the names of four faculty members and number times he/she has absented him/herself from class. One of them should have absented him/herself once, another…
Hi please answer the following follow up questions as well, posted them as another question. Question 4 For the 9-tile soring problem, assume that you start from this initial state 7 2 4 5 6 8 3 1 The Goal State is: 1 2 3 4 5 6 7 8 The cost of moving any tile is 1. Let the heuristic function h(n) = number of misplaced tiles. For the shown configuration, there are four options for the next move: Move 5 to the right Move 6 to the left Move 2 down Move 3 up Each of these moves has a value f(n) = h(n) + g(n). If we choose to Move 5 to the right, then g(n) = 1. That is, it took us one step to reach this state from the initial state. h(n) = number of misplaced tiles. The misplaced tiles are {7,4,8,3,1}. So the number of misplaced tiles = h(n) = 5. If we choose to Move 6 to the left, g(n) is still = 1, but h(n) will change because the number of misplaced tiles is different. A* works by computing f(n) = h(n) + g(n) for each of these possible moves. Then it…
A circus is planning a tower act in which individuals stand on top of one another's shoulders. Each individual must be both shorter and lighter than the person below him or her for practical and aesthetic reasons. Write a way to determine the maximum feasible number of people in such a tower given the heights and weights of each individual in the circus.