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Meet the concept↗ FPTAS and PTAS allow arbitrarily close approximation. APX allows constant-factor approximation.
Conditions: Comparing standard approximation classes for optimization problems.
FPTAS and PTAS allow arbitrarily close approximation. APX allows constant-factor approximation.
Conditions: Comparing standard approximation classes for optimization problems.
Meet the concept↗ It means that in the worst case, the algorithm's output cost is at most twice the true optimal cost.
Conditions: The problem is a minimization problem.; The algorithm is a 2-approximation.
It means that in the worst case, the algorithm's output cost is at most twice the true optimal cost.
Conditions: The problem is a minimization problem.; The algorithm is a 2-approximation.