= Hardness of approximation
{wiki=Hardness_of_approximation}
The hardness of approximation refers to the difficulty of finding approximate solutions to certain optimization problems within a specified factor of the optimal solution. In computational complexity theory, it describes how hard it is to approximate the optimum value of a problem, particularly in the context of NP-hard problems. \#\#\# Key Concepts: 1. **Optimization Problems**: These are problems where the goal is to find the best solution (often a maximum or minimum) among a set of feasible solutions.
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