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                      "value": "Spline of order k2=k+n representing the antiderivative of this spline."
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              "value": "Construct a new spline representing the antiderivative of this spline."
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                      "value": "Order of antiderivative to evaluate. Default: 1"
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        "value": "import numpy as np\nfrom scipy.interpolate import UnivariateSpline\nx = np.linspace(0, np.pi/2, 70)\ny = 1 / np.sqrt(1 - 0.8*np.sin(x)**2)\nspl = UnivariateSpline(x, y, s=0)\n",
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        "value": "\nThis is indeed an approximation to the complete elliptic integral\n:math:`K(m) = \\int_0^{\\pi/2} [1 - m\\sin^2 x]^{-1/2} dx`:\n\n"
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        "value": "from scipy.special import ellipk\n",
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        "value": "ellipk(0.8)\n",
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