Timeline for Characterizing (up to permutations) finite sequences of real numbers
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
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| Oct 31, 2015 at 3:14 | comment | added | Fabio | For example the function $f(\lambda)=(1/N)H(\cdot-\lambda)$ ($H$ the Heaviside) will work. This correspond to the cumulative distribution function of the set $S$. As a side comment I found out that the function $(1/N)\sum_{i}^{N}H(x_i-\lambda)$ is a maximal invariant w.r.t. the permutation group (of order $N$) and any bijective function of it is still a maximally invariant. | |
| Oct 30, 2015 at 21:40 | history | answered | Mark Fischler | CC BY-SA 3.0 |