What should you identify when representing a problem?
Identify the starting state, goal, relevant constraints, and possible actions.
Study 2 Problem-Solving Strategies with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
What should you identify when representing a problem?
Identify the starting state, goal, relevant constraints, and possible actions.
What is an algorithm in problem solving?
An algorithm follows a defined sequence of steps and can guarantee a solution when complete and correctly applied to a problem it covers.
When is an algorithm a suitable choice?
Use an algorithm for a well-defined problem when correctness matters and a reliable procedure is available.
What is a heuristic?
A heuristic is a practical rule of thumb that guides a search, usually faster than exhaustive methods but without guaranteeing a correct answer.
How does means–ends analysis work?
Means–ends analysis compares the current state with the goal, selects actions to reduce the differences, and creates subgoals when obstacles must be removed first.
In the report example, what subgoal follows continued printer failure?
If the printer still fails, finding another printer becomes a subgoal; using a nearby library may then help deliver the printed report on time.
What does breaking a task into subgoals involve?
Break a broad objective into manageable steps and track which steps are complete.
How does working backward solve a problem?
Start from the required endpoint and ask what must happen immediately before it, continuing backward until you reach the present.
How should analogy be used in problem solving?
Recall a problem with a similar underlying structure and adapt its solution, checking that the important constraints also match.
What makes trial and error controlled?
Change one relevant factor at a time, record what you tried, and use each outcome to guide the next attempt.
What is mental set?
Mental set is persisting with a familiar method after it stops working.
How can you respond when familiar problem-solving methods become barriers?
Restate the goal and constraints, separate essential rules from assumptions, and generate an alternative representation or method.
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