Source/Packages

Learning.ScaledGradientUpdate

packages/learning/src/Learning/ScaledGradientUpdate.alpha

111 lines5 declarations5.6 KiBSHA-256 983cc19e0d9e

def · lines 11–17

accumulateScaledGradient

Full file
These two operations compose independently: callers choose the arithmetic and the source of the gradient. The accumulation state is persistent, and applying the parameter update consumes the newly accumulated value.
11def accumulateScaledGradient =
12  (lambda erased value : Type 0 .
13    (lambda unrestricted add : (pi unrestricted left : value . (pi unrestricted right : value . value)) .
14      (lambda unrestricted multiply : (pi unrestricted left : value . (pi unrestricted right : value . value)) .
15        (lambda unrestricted decay : value .
16          (lambda unrestricted previous : value .
17            (lambda unrestricted gradient : value . (add (multiply decay previous) gradient)))))))

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