Revolutionary knowledge-based programming language.
The preeminent environment for any technical workflows.
Semantic framework for real-world data.
Central infrastructure for Wolfram's cloud products & services.
Software engine implementing the Wolfram Language.
Instant deployment across cloud, desktop, mobile, and more.
Technology-enabling science of the computational universe.
Knowledge-based, broadly deployed natural language.
Curated computable knowledge powering Wolfram|Alpha.
yields True if the graph g has no self-loops, and False otherwise.
Test whether a graph has no self-loops:
LoopFreeGraphQ gives False for a graph with self-loops:
Graph DirectedEdges AcyclicGraphQ SimpleGraphQ