code: def get_widths(self, estimation):
          
          widths = estimation[self.map_offset[1]:self.map_offset[2]]\
              .reshape(self.K, 1)
          return widths
docs: Get estimation on widths
  
  
          Parameters
          ----------
          estimation : 1D arrary
               Either prior of posterior estimation
  
  
          Returns
          -------
          fields : 2D array, in shape [K, 1]
              Estimation of widths