code: def set_large_fig_style(self):
          '''twice width figure size'''
          plt.rcParams.update({
              'figure.figsize' : [self.frontierswidth/self.inchpercm*2, self.frontierswidth/self.inchpercm],
          }f set_large_fig_style(self):
          '''twice width figure size'''
          plt.rcParams.update({
              'figure.figsize' : [self.frontierswidth/self.inchpercm*2, self.frontierswidth/self.inchpercm],
          })
docs: twice width figure size