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$\begingroup$ An operator version of prune would be prune[x_] = Select[Not@*FreeQ[x]]. $\endgroup$

Carl Woll
– Carl Woll

2017-11-08 23:09:18 +00:00
Commented Nov 8, 2017 at 23:09
$\begingroup$ Yes, and I'm sure the pruning could be made more efficient. However, the step after the prune is the most time consuming. $\endgroup$

TimRias
– TimRias

2017-11-09 10:09:04 +00:00
Commented Nov 9, 2017 at 10:09
$\begingroup$ Very nice solution, and indeed in my test more than 5 times faster. Thanks +50 $\endgroup$

Mario Krenn
– Mario Krenn

2017-11-10 12:26:39 +00:00
Commented Nov 10, 2017 at 12:26

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