Equation 32 · Part 2 · Naive, Graph, and Agentic: A Systems Comparison of RAG Architectures
subscript
subscript
What this part means
The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.
Its job in the formula
A subscript distinguishes a version, component, step, or member of a quantity. It does not automatically mean multiplication.
Full expression→subscript→Article meaning
The passage around this formula
A single latency model makes the difference between the first three rows and the last two concrete. Writing for query encoding, and and for the retrieval and generation cost of round i ,
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
Open the illustrated subscripts: which member of a family? guide →
Sources cited in the article section
- [7] Interleaving Retrieval with Chain-of-Thought Reasoning for Knowledge-Intensive Multi-Step Questions ↗
- [4] From Local to Global: A Graph RAG Approach to Query-Focused Summarization ↗
- [9] Self-RAG: Learning to Retrieve, Generate, and Critique through Self-Reflection ↗
These citations provide research context; check each source for the exact claim it supports.