gives True if expr is a list or a one‐dimensional SparseArray object, none of whose elements are themselves lists, and gives False otherwise.
gives True only if test yields True when applied to each of the elements in expr.
Basic Examples (3)
Test whether an object is a vector:
These are not vectors:
Use specific tests to generalize or specialize:
Properties & Relations (2)
Introduced in 1988
Updated in 2003