matrix.py 文件源码

def outer(x: T.FloatTensor, y: T.FloatTensor) -> T.FloatTensor:
    """
    Compute the outer product of vectors x and y.

    mat_{ij} = x_i * y_j

    Args:
        x: A vector (i.e., a 1D tensor).
        y: A vector (i.e., a 1D tensor).

    Returns:
        tensor: Outer product of vectors x and y.

    """
    return torch.ger(x, y)