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Equation 6 · Part 1 · Comparing the Main Approaches to Robotics and Embodied AI

Symbol hatp_θ

p^θ\hat{p}_\theta
p^θ\hat{p}_\theta

What this part means

hatp_θ 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

hatp_θ 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

A comprehensive survey of the model-based literature frames the trade this way: fitting and planning against p^θ\hat{p}_\theta typically buys sample efficiency, because every transition teaches the model something reusable across many hypothetical future plans rather than updating one value estimate, and it buys interpretability, because the model can be queried and its predictions checked against reality…

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A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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Sources cited in the surrounding passage

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