Qurak

VectorQ

Tersedia

Tests whether an expression is a flat (non-nested) list.

VectorQ[expr]
VectorQ[expr, test]
VectorQ[{1, 2, 3}] → TrueVectorQ[{{1, 2}, {3, 4}}] → FalseVectorQ[{1, 2, x}, NumberQ] → FalseVectorQ[{1, 2, 3}, Positive] → True

Digunakan dalam

Topik

Berkaitan

Semua 6300 fungsi · Gunakan ini daripada klien MCP