Chapter 3: Arrays and Data Structures
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Questions and Answers

What is a major limitation of experimental studies of running times?

  • They are too simple to implement.
  • They can be done only on a limited set of test inputs. (correct)
  • They are only useful for analyzing small algorithms.
  • They require a deep understanding of hardware and software environments.

    • What is a challenge when comparing the experimental running times of two algorithms?

  • The algorithms are too similar.
  • The experiments were performed in different hardware and software environments. (correct)
  • The algorithms are too complex.
  • The experiments are too time-consuming.

    • What is the most time-consuming aspect of performing an experimental analysis of an algorithm?

  • Implementing and executing the algorithm. (correct)
  • Choosing the test inputs.
  • Analyzing the data.
  • Designing the experiment.

    • What is the ideal goal of an analysis tool for running times?

    <p>To avoid performing experiments.</p> Signup and view all the answers

    What does the proposed methodology aim to associate with each algorithm?

    <p>A function f (n) that characterizes the running time of the algorithm as a function of the input size n.</p> Signup and view all the answers

    What is a benefit of the proposed methodology?

    <p>It allows us to evaluate the relative efficiency of any two algorithms in a way that is independent from the hardware and software environment.</p> Signup and view all the answers

    What is a characteristic of the proposed methodology?

    <p>It can be performed by studying a high-level description of the algorithm without actually implementing it or running experiments on it.</p> Signup and view all the answers

    What is a limitation of experimental studies of running times in terms of input size?

    <p>They can only be done on a limited set of test inputs.</p> Signup and view all the answers

    What is the proposed methodology trying to achieve?

    <p>To analyze the running times of algorithms.</p> Signup and view all the answers

    What is an advantage of the proposed methodology over experimental studies?

    <p>It takes into account all possible inputs.</p> Signup and view all the answers

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