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Results tagged with inequalities
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user 67100
for questions involving inequalities, upper and lower bounds.
2
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An upper bound for a vector with given norm 1 and norm 2
Suppose $X = (x_1, \ldots , x_n)$ is given and we know that $x_i$'s are nonnegative, $\sum_{i=1}^n x_i = n$ and $\sum_{i=1}^n x_i^2 = m $. Just by this information, is it possible to find a vector tha …
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