Double Acute Accent (`˝`)

View this file with results and syntax highlighting here.

`𝔽˝ 𝕩`: Insert

Fold over cells of 𝕩 with 𝔽 from end to start, that is, insert 𝔽 between the major cells of 𝕩.

    a ← 3‿3 ⥊ ↕9

    +˝ a

    0‿1‿2 + 3‿4‿5 + 6‿7‿8

Monadic insert, but use 𝕨 as initial right argument.

If

    b ← 3‿3 ⥊ ↕9

    1‿1‿1 +˝ b

    1 +˝ b

    0‿1‿2 + 3‿4‿5 + 6‿7‿8 + 1‿1‿1