Built-in Mathematica Symbol

Drop

Drop[list, n]
gives list with its first n elements dropped.

Drop[list, -n]
gives list with its last n elements dropped.

Drop[list, {n}]
gives list with its n

element dropped.

Drop[list, {m, n}]
gives list with elements m through n dropped.

Drop[list, {m, n, s}]
gives list with elements m through n in steps of s dropped.

Drop[list, seq₁, seq₂, ...]
gives a nested list in which elements specified by seq_i have been dropped at level i in list.

	All	all elements
	None	no elements
	n	elements 1 through n
	-n	last n elements
	{n}	element n only
	{m,n}	elements m through n inclusive
	{m,n,s}	elements m through n in steps of s

For a matrix, Drop[list, seq₁, seq₂] effectively drops all elements except those in a submatrix of list.

Drop the first two elements from a list:

Drop the last 3 elements:

Drop elements 2 through 4:

Drop the first two elements from a list:

Drop the last 3 elements:

Drop elements 2 through 4:

Drop elements from the third to the third-to-last:

Drop every other element:

Drop the first row of a matrix:

Drop the first row, and the first two columns:

Drop none of the rows, but the first two columns:

Drop rows 2 through 4 and columns 3 through 5:

Drop every other row and every third column:

Drop works with any head, not just List:

Drop works with SparseArray objects:

Pick out a subimage:

Drop and Take are complementary:

Rest is a special case of Drop:

Most is a special case of Drop:

Drop always gives a list, even if only one element remains: