How to filter a list in J?
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by Gregory Higley
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Published on 2010-05-19T10:55:36Z
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2010/05/19
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I'm currently learning the fascinating J programming language, but one thing I have not been able to figure out is how to filter a list.
Suppose I have the arbitrary list 3 2 2 7 7 2 9 and I want to remove the 2s but leave everything else unchanged, i.e., my result would be 3 7 7 9. How on earth do I do this?
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