Symbol h_k

Its job in the formula

$h_k$ 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

At an agent step k , a model receives an observation history $o_{\le k}$ , task goal g , and harness state $h_k$ , then proposes an action:

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 →