12
edits
Nub Sieve: Difference between revisions
Jump to navigation
Jump to search
m
Updated: Dyalog 18.0 will be released → was released June 2020
(→Documentation: Dyalog) |
m (Updated: Dyalog 18.0 will be released → was released June 2020) |
||
| (One intermediate revision by one other user not shown) | |||
| Line 20: | Line 20: | ||
Nub Sieve can be used to filter a [[matrix]] by some of its columns, or find its unique rows. | Nub Sieve can be used to filter a [[matrix]] by some of its columns, or find its unique rows. | ||
<source lang=apl> | <source lang=apl> | ||
⎕← a ← (⍳6) ∘.! 3+⍳3 | |||
4 5 6 | 4 5 6 | ||
6 10 15 | 6 10 15 | ||
| Line 89: | Line 89: | ||
:''See also [[Unique#History]].'' | :''See also [[Unique#History]].'' | ||
Nubsieve (<source lang=apl inline>≠</source>) first appeared in [[A Dictionary of APL]] in 1987, and was eventually added to [[SHARP APL]]. It appears [https://code.jsoftware.com/wiki/Vocabulary/tildeco in J] as <source lang=j inline>~:</source> or Nub Sieve. It is also included in [[Dyalog APL 18.0]], | Nubsieve (<source lang=apl inline>≠</source>) first appeared in [[A Dictionary of APL]] in 1987, and was eventually added to [[SHARP APL]]. It appears [https://code.jsoftware.com/wiki/Vocabulary/tildeco in J] as <source lang=j inline>~:</source> or Nub Sieve. It is also included in [[Dyalog APL 18.0]], released June 2020. | ||
== External links == | == External links == | ||