__init__(self, order, stencil=None, accuracy=4, end_point_accuracy=2, **kw): 

• order: int

  the order of the derivative to take

• stencil: int | None

  the number of stencil points to add

• accuracy: int | None

  the approximate accuracy to target with the method

• end_point_accuracy: int | None

  the extra number of stencil points to add to the end points

• kw: Any

  options passed through to the FiniteDifferenceMatrix

finite_difference_data(order, stencil, end_point_precision): 

Builds a FiniteDifferenceData object from an order, stencil, and end_point_precision

• order: Any

• stencil: Any

• end_point_precision: Any

• :returns: _

get_weights(m, s, n): 

Extracts the weights for an evenly spaced grid

• m: Any

• s: Any

• n: Any

• :returns: _