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Find the least integer n such that f(x) is O(xn) for (x^2)logx?
Update:
CORRECTION:f(x) is O(x^n)
1 Answer
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- Awms ALv 75 years ago
The least such integer is 3.
More precisely, that type of f(x) is often called
O( n^(2+epsilon) )
Because it is O(x^r) for every real number r > 2.
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