Equation 9 · Part 1 · Reliable AI Agents Are Control Systems, Not Chatbots
Symbol Z_k
What this part means
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
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 Z_k→Article meaning
The passage around this formula
where the retriever assigns probability to documents z and the generator conditions on a selected set [ 6 ] . The decomposition matters because retrieval and generation fail differently.
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.
Open the illustrated subscripts: which member of a family? guide →
See this notation across published equations →
Sources cited in the surrounding passage
These citations provide research context; check each source for the exact claim it supports.