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Equation 32 · Part 1 · Naive, Graph, and Agentic: A Systems Comparison of RAG Architectures

Symbol L_enc

LencL_{\text{enc}}
LencL_{\text{enc}}

What this part means

the writing.

Its job in the formula

LeL_enc is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Where the article explains it

Writing LencL_{\text{enc}} for query encoding, and Lretrieve(i)L_{\text{retrieve}}^{(i)} and LLLM(i)L_{\text{LLM}}^{(i)} for the retrieval and generation cost of round i ,

The passage around this formula

A single latency model makes the difference between the first three rows and the last two concrete. Writing LencL_{\text{enc}} for query encoding, and Lretrieve(i)L_{\text{retrieve}}^{(i)} and LLLM(i)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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