ArrayQ

ArrayQ(expr)

tests whether expr is a full array.

ArrayQ(expr, pattern)

also tests whether the array depth of expr matches pattern.

ArrayQ(expr, pattern, test)

furthermore tests whether test yields True for all elements of expr.

Examples

>> ArrayQ(a)
False

>> ArrayQ({a})
True

>> ArrayQ({{{a}},{{b,c}}})
False

>> ArrayQ({{a, b}, {c, d}}, 2, SymbolQ)
True

Implementation status

• ✅ - full supported

Github

• Implementation of ArrayQ