## Finite Differences

```@docs
FiniteDifferenceMethod
FiniteDifferences.estimate_step
central_fdm
forward_fdm
backward_fdm
extrapolate_fdm
assert_approx_equal
FiniteDifferences.UnadaptedFiniteDifferenceMethod
FiniteDifferences.AdaptedFiniteDifferenceMethod
FiniteDifferences.DEFAULT_CONDITION
FiniteDifferences.DEFAULT_FACTOR
```

## Gradients

```@docs
grad
jacobian
jvp
j′vp
to_vec
```
