Decode: Difference between revisions

{{Built-in|Decode|⊥}}, also called '''Base''', is a [[dyadic]] [[primitive function]] which evaluates the right [[argument]] in terms of the radix system defined by the left argument. Some implementations add [[monadic]] usage to this function, where the left argument defaults to the [[scalar]] 2. Decode is the [[inverse]] of [[Encode]] <source lang=apl inline>⊤</source> with the same left argument X, when X is a non-[[scalar]] array and the right argument is a valid representation of a number in the radix system defined by X.