curvefit.utils.smoothing.df_to_mat

Convert columns in data frame to matrix

Arguments

• df (pandas.DataFrame): given data frame.
• col_val (str): value column.
• col_axis (List[str]): axis column.
• return_indices (bool, optional): if True, return indices of the original values and the corresponding axis values in the data frame.

Returns

• (numpy.ndarray): converted matrix