Equation 34 · Part 1 · Naive, Graph, and Agentic: A Systems Comparison of RAG Architectures

Symbol L_LLM^(i)

L_{\text{LLM}}^{(i)}

L_{\text{LLM}}^{(i)}

What this part means

$L_L$ LM^(i) is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

$L_L$ LM^(i) is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Full expressionSymbol L_LLM^(i)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 $L_{\text{enc}}$ for query encoding, and $L_{\text{retrieve}}^{(i)}$ and $L_{\text{LLM}}^{(i)}$ for the retrieval and generation cost of round i ,

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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.

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Sources cited in the article section

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