### Atom - `ŒḌ`

- Reconstruct From Diagonals

Tags: `miscellaneous` , `matrix` , `vectorize`

##### Arity: monadic

This atom is monadic, which means it takes one argument.

##### Functionality

Given the diagonals of a matrix, return that matrix. See `ŒD`

(Matrix Diagonals) for the format; this is its left inverse.