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Answers for “遗传算法在默认参数下的表现如何?”

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The video claims that, in this playground, the genetic algorithm can efficiently solve the Traveling Salesman Problem using the default parameters. The demo shows the route improving and the path length decreasing over iterations.

Conditions: The genetic-algorithm implementation is run with the displayed default parameters.; The problem instance is the one shown in the visualization.; The word "efficiently" is qualitative here; no formal efficiency metric or runtime bound is provided.

Meet the concept

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The video points out that routes crossing over themselves (self-intersections) are a sign of a worse solution. This visual cue is paired with a longer final path length in the status bar.

Conditions: Applies to the interactive TSP visualization shown in the clip.; The context is comparing different algorithm runs or parameters.

Understand why

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The video asserts that the Traveling Salesman Problem appears simple but is very hard to solve. This is presented as a qualitative warning about the computational complexity of the problem, contrasting the ease of stating the problem with the difficulty of finding the optimal solution.

Conditions: The problem is the standard TSP described earlier in the clip.; The context is a general statement about the problem's nature.