diff --git a/.gitignore b/.gitignore index 2dc8ca3..6143c2b 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,2 @@ -**/.DS_STORE \ No newline at end of file +**/.DS_STORE +.idea diff --git a/RFC-00xx-interpolation.md b/RFC-00xx-interpolation.md new file mode 100644 index 0000000..bceda99 --- /dev/null +++ b/RFC-00xx-interpolation.md @@ -0,0 +1,72 @@ +# Interpolation + +## Authors + +* Allen Goodman (@0x00b1) + +## Summary + +Interpolation is a technique for adding new data points in a range of a set of known data points. You can use interpolation to fill-in missing data, smooth existing data, make predictions, and more. + +Interpolation operators operate on: + +* data on a regular grid (i.e., predetermined, not necessarily, uniform, spacing); or +* scattered data on an irregular grid. + +### `torch.interpolation.interpolate` + +```Python +from typing import Callable, Optional, Tuple + +from torch import Tensor + +def interpolate( + x: Tuple[Tensor], + v: Tensor, + q: Tuple[Tensor], + f: Callable[[Tuple[Tensor]], Tuple[Tensor]], + *, + out: Optional[Tensor] = None +): + raise NotImplementedError +``` + +Interpolate $n$-dimensional data on a regular grid (i.e., predetermined, not necessarily, uniform, spacing). + +### `torch.interpolation.unstructured_interpolate` + +```Python +from typing import Callable, Optional, Tuple + +from torch import Tensor + +def unstructured_interpolate( + input: Tensor, + points: Tuple[Tensor], + x_i: Tuple[Tensor], + interpolant: Callable[[Tensor], Tensor], + *, + out: Optional[Tensor] = None +): + raise NotImplementedError +``` + +Interpolate scattered data on an irregular grid. + +**Note**—Using this operation in dimensions greater than six is impractical because the memory required by the underlying Delaunay triangulation grows exponentially with its rank. + +**Note**—Because this operator uses a Delaunay triangulation, it can be sensitive to scaling issues in `input`. When this occurs, you should standardize `input` to improve the results. + +##### Parameters + +**input** ([Tensor](https://pytorch.org/docs/stable/tensors.html#torch.Tensor)) – + +**points** ([Tensor](https://pytorch.org/docs/stable/tensors.html#torch.Tensor)) – + +**x_i** ([Tensor](https://pytorch.org/docs/stable/tensors.html#torch.Tensor)) – + +**interpolant** ([Tensor](https://pytorch.org/docs/stable/tensors.html#torch.Tensor)) – + +##### Keyword Arguments + +**out** ([Tensor](https://pytorch.org/docs/stable/tensors.html#torch.Tensor), *optional*) – output.