ak.atleast_1d — Awkward Array documentation

# ak.atleast_1d

Defined in awkward.operations.structure on line 4460.

ak.atleast_1d()
  Parameters:

    - arrays – Rectilinear arrays to be converted to NumPy arrays of at least 1 dimension.

    - axis (int) – The dimension at which this operation is applied. The outermost dimension is `0`, followed by `1`, etc., and negative values count backward from the innermost: `-1` is the innermost dimension, `-2` is the next level up, etc.

Implements NumPy’s atleast_1d function in a way that accepts `ak.Array` objects as the `arrays`.

If the `arrays` are not all rectilinear (i.e. if #np.to_numpy would raise an error), then this function raise an error.

Note: this function returns a NumPy array, not an Awkward Array.