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              "value": "The name of this function refers to the fact that the returned object represents a Lagrange polynomial, the unique polynomial of lowest degree that interpolates a given set of data "
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        "value": "\nSince there are only 3 points, the Lagrange polynomial has degree 2. Explicitly,\nit is given by\n\n.. math::\n\n    \\begin{aligned}\n        L(x) &= 1\\times \\frac{x (x - 2)}{-1} + 8\\times \\frac{x (x-1)}{2} \\\\\n             &= x (-2 + 3x)\n    \\end{aligned}\n\n"
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  "references": [
    ".. [1] Lagrange polynomial. *Wikipedia*.",
    "       https://en.wikipedia.org/wiki/Lagrange_polynomial",
    ".. [2] Newton polynomial. *Wikipedia*.",
    "       https://en.wikipedia.org/wiki/Newton_polynomial"
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