Dimensions

Usage

• Dimensions[expr] gives a list of the dimensions of expr.
• Dimensions[expr, n] gives a list of the dimensions of expr down to level n.

Notes

• expr must be a full array, with all the pieces of expr at a particular level having the same length. (The elements of expr can then be thought of as filling up a hyper-rectangular region.)

• Each successive level in expr sampled by Dimensions must have the same head.

• Example: Dimensions[

a,b,c

d,e,f

]

• For SparseArray objects, Dimensions yields the dimensions of the corresponding ordinary lists.

• See Section 1.8.3, Section 2.4.3 and Section 3.7.3.

• See also: ArrayDepth, VectorQ, MatrixQ.

• New in Version 1; modified in 5.

Further Examples