# Questions tagged [hill-climbing]

For questions related to the family of algorithms called "hill climbing" (in the context of AI).

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### Are hill climbing variations always optimal and complete?

Are hill climbing variations (like steepest ascent hill climbing, stochastic hill climbing, random restart hill climbing, local beam search) always optimal and complete?
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### Need help understanding the solution to this randomized hill climbing quiz

This is a quiz on randomized hill climbing from Udacity's Machine Learning class. The solution in green throws a value of 5.39 out of nowhere. How do we get 5.39 + v and 10 + v? The explanation is: ...
1k views

### How does best-first search differ from hill-climbing?

How does best-first search differ from hill-climbing?
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### Can we solve an $8 \times 8$ sliding puzzle using hill climbing?

Can we solve an $8 \times 8$ sliding puzzle using a random-restart hill climbing technique (steepest-ascent)? If yes, how much computing power will this need? And what is the maximum $n \times n$ that ...
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### What is the difference between hill-climbing and greedy best-first search algorithms?

While watching MIT's lectures about search, 4. Search: Depth-First, Hill Climbing, Beam, the professor explains the hill-climbing search in a way that is similar to the best-first search. At around ...
163 views

### How can I solve the zero subset sum problem with hill climbing?

I want to solve the zero subset sum problem with the hill-climbing algorithm, but I am not sure I found a good state space for this. Here is the problem: consider we have a set of numbers and we want ...
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### For which of the following reasons can Hill Climbing get stuck?

One-point Hill Climbing can get stuck due to which of the following phenomenon? Local Maxima Inadmissible heuristic Ridges Plateau
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### How could we solve the TSP using a hill-climbing approach?

How could we solve the TSP using a hill-climbing approach?
321 views

### Why does the hill climbing algorithm only produce a local maximum?

Apparently, the hill climbing algorithm just produces a local maximum, and not necessarily a global optimum. It's stuck on a local maximum. Why does hill climbing algorithm only produce a local ...
114 views

### What is the basic purpose of local search methods?

I read about the hill climbing algorithms, the simulating annealing algorithm, but I am confused. What is the basic purpose of local search methods?
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### What are the limitations of the hill climbing algorithm and how to overcome them?

What are the limitations of the hill climbing algorithm? How can we overcome these limitations?
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### How is simulated annealing better than hill climbing methods?

In hill climbing methods, at each step, the current solution is replaced with the best neighbour (that is, the neighbour with highest/smallest value). In simulated annealing, "downhills" moves are ...
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### How can I formulate the map colouring problem as a hill climbing search problem?

I have a map. I need to colour it with $k$ colours, such that two adjacent regions do not share a colour. How can I formulate the map colouring problem as a hill climbing search problem?
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### Should the mutation be applied with the hill climbing algorithm?

As far as I understand, the hill climbing algorithm is a local search algorithm that selects any random solution as an initial solution to start the search. Then, should we apply an operation (i.e., ...
548 views

### What should I do when the new generated state has bigger distance to the goal than the parent state?

I have implemented the hill climbing algorithm, with side away steps, which can increase the rate of success, because, when you don't have new generated states, you can go back to previous level and ...
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### Why is the larger value, as opposed to the smaller one, chosen, in the hill climbing algorithm?

In the hill climbing algorithm, the greater value, compared to the current value, is selected, but I cannot understand why it takes the larger value instead of the smaller one. Why is that? I greatly ...
3k views

### When to choose Stochastic Hill Climbing over Steepest Hill Climbing?

Stochastic Hill Climbing generally performs worse than Steepest Hill Climbing, but what are the cases in which the former performs better?