 fit to. </td></tr>
    <tr><td class="paramname">measurements</td><td>the measured values that are being fit </td></tr>
    <tr><td class="paramname">function</td><td>a std::function of the function that is being fit. The function takes as inputs an <a class="el" href="classnc_1_1_nd_array.html" title="Holds 1D and 2D arrays, the main work horse of the NumCpp library.">NdArray</a> of a single set of the coordinate values, and an <a class="el" href="classnc_1_1_nd_array.html" title="Holds 1D and 2D arrays, 