こうする↓
from scipy.constants import physical_constants kB=physical_constants['Boltzmann constant in eV/K'][0] import numpy as np arange=np.arange exp=np.exp tt=arange(18.,501.) vv=exp(-0.02/(kB*tt)) import matplotlib.pylab as plt from mpl_toolkits.axes_grid.parasite_axes import SubplotHost fig=plt.figure(1) ax1=SubplotHost(fig, 111) fig.add_subplot(ax1) ax1.plot(1./tt,vv) ax1.set_yscale('log') ax1.set_xlabel('Reciprocal temperature (1/K)') ax2=ax1.twin() # ax2 is responsible for "top" axis and "right" axis tticks=np.array([20.0,30.0,50.0,100.0,300.0]) ax2.set_xticks( [ 1/t for t in tticks ] ) ax2.set_xticklabels(['20','30','50','100','300']) ax2.axis["top"].label.set_visible(True) ax2.set_xlabel('Temperature (K)') ax2.set_yticks([]) plt.show() """ Python 2.5.4 |EPD 5.1.1| (r254:67916, Sep 25 2009, 12:11:02) [MSC v.1310 32 bit (Intel)] on win32 matplotlib 0.99.1.1 """