Equation 39 · Part 1 · Why Coding Agents Fail: Long-Horizon Reliability in OpenAI Codex
Symbol 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 expression→Symbol i→Article meaning
The passage around this formula
Checkpoint placement is a value-of-information problem. Let an unchecked latent error at stage i create expected downstream loss , a check cost , detection probability , and false-alarm cost . A check is favorable when, approximately,
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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