cf.Variable.expand_dims

Variable.expand_dims(position=0, i=False)[source]

Insert a size 1 axis into the data array.

See also

flip, squeeze, transpose

Parameters:
position : int, optional

Specify the position amongst the data array axes where the new axis is to be inserted. By default the new axis is inserted at position 0, the slowest varying position.

i : bool, optional

If True then update the variable in place. By default a new variable is created. In either case, a variable is returned.
Returns:

None
Examples: 
>>> v.expand_dims(2)
>>> v.expand_dims(-1)