Equation 23 · Part 1 · Ten Failure Modes That Define Production RAG

Symbol i

\ell_i

i

What this part means

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

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 iArticle meaning

The passage around this formula

and the marginal value of building a detector is whatever it removes from $\tau_i$ . Written this way, the ranking departs sharply from intuition, because $\tau_i$ spans several orders of magnitude across the ten while $\lambda_i$ and $\ell_i$ vary far less.

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A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the article section

[5] Not What You've Signed Up For: Compromising Real-World LLM-Integrated Applications with Indirect Prompt Injection ↗

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