code: def set_broad_fig_style(self):
          '''4 times width, 1.5 times height'''
          plt.rcParams.update({
              'figure.figsize' : [self.frontierswidth/self.inchpercm*4, self.frontierswidth/self.inchpercm*1.5],
          }f set_broad_fig_style(self):
          '''4 times width, 1.5 times height'''
          plt.rcParams.update({
              'figure.figsize' : [self.frontierswidth/self.inchpercm*4, self.frontierswidth/self.inchpercm*1.5],
          })
docs: 4 times width, 1.5 times height