Perhaps an example might help. Say x(t) = exp(-t) f(x(t)) = (x^2)/2 Then it sati... | Hacker News

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dxbydt on Aug 5, 2016 | parent | context | favorite | on: Understanding gradient descent

Perhaps an example might help.

Say x(t) = exp(-t)

f(x(t)) = (x^2)/2

Then it satisfies conditions imposed by parent, namely x' = -x = -f'

chestervonwinch on Aug 5, 2016 [–]

Nice. I think you mean f(x) = 0.5*x^2 though.

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