Function align

Solves the alignment problem: find 'a' that minimizes weighted L1 distance. If trunc is provided, it solves a Robust L1 problem using an exhaustive search over critical points (extrema) in the derivative of the piecewise linear loss.

(
    x: torch.Tensor, 
    y: torch.Tensor, 
    w: torch.Tensor, 
    trunc: Optional[Union[float, torch.Tensor]] = None, 
    eps: float = 1e-7
)