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scipy.interpolate.NdPPoly.

# antiderivative

NdPPoly.antiderivative(nu)

  Construct a new piecewise polynomial representing the antiderivative.

  Antiderivative is also the indefinite integral of the function, and derivative is its inverse operation.

  Parameters:
    nundim-tuple of int

      Order of derivatives to evaluate for each dimension. If negative, the derivative is returned.

  Returns:
    ppPPoly

      Piecewise polynomial of order k2 = k + n representing the antiderivative of this polynomial.

  Notes

  The antiderivative returned by this function is continuous and continuously differentiable to order n-1, up to floating point rounding error.