Here are how to use i() functions.pure sequence, pure table sequence, pure record sequence
Description: Judge whether a data object is a pure sequence or a pure table sequence. Syntax: ifpure(x) Note: The functijudge, pure sequence, pure table sequence
Description: Join multiple sequences according to positions and return a pure table sequence. Syntax: j(Ai:Fi,…) Note: Tmultiple sequences, join, position, pure table sequence