TastyPancakes/Flux.jl
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Merge pull request #394 from sambitdash/patch-1

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The sample gradient should not use the softdash
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Mike J Innes 2018-09-14 20:24:07 +01:00 committed by GitHub
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1 changed files with 4 additions and 4 deletions
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docs/src/models/basics.md
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@ -10,14 +10,14 @@ using Flux.Tracker
f(x) = 3x^2 + 2x + 1
# df/dx = 6x + 2
f′(x) = Tracker.gradient(f, x)[1]
df(x) = Tracker.gradient(f, x)[1]
f′(2) # 14.0 (tracked)
df(2) # 14.0 (tracked)
# d²f/dx² = 6
f′′(x) = Tracker.gradient(f′, x)[1]
d2f(x) = Tracker.gradient(df, x)[1]
f′′(2) # 6.0 (tracked)
d2f(2) # 6.0 (tracked)
```
(We'll learn more about why these numbers show up as `(tracked)` below.)