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Equation 4 · Part 1 · How to Evaluate Codex Beyond SWE-bench and Vendor Scores

Symbol n

nn
nn

What this part means

n 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

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

The passage around this formula

is an estimate of success probability only for a distribution represented by those n instances and the evaluated system. The system is not just a model. It includes context retrieval, tools, prompts, retries, execution limits, and candidate selection. The evaluation distribution is not “software engineering.” It is a constructed sample with inclusion criteria, repository mix, languages, issue styles, and executable tests.

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Learn the underlying idea

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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See this notation across published equations →

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