num.py 文件源码

def __init__(self, points, values, *args, **kwds):
        """
        Parameters
        ----------
        points : nd array (npoints, ndim)
        values : 1d array (npoints,)
        **kwds : keywords to [avg]polyfit()
        """
        self.points = self._fix_shape_init(points)
        assert self.points.ndim == 2, "points is not 2d array"
        self.values = values
        if self._has_keys(kwds, ['degrange', 'degmin', 'degmax', 'levels']):
            self.fitfunc = avgpolyfit
            self.evalfunc = avgpolyval
        else:
            self.fitfunc = polyfit
            self.evalfunc = polyval
        self.fit = self.fitfunc(self.points, self.values, *args, **kwds)