📄 log_demo.py
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#!/usr/bin/env pythonfrom pylab import *dt = 0.01t = arange(dt, 20.0, dt)subplot(311)semilogy(t, exp(-t/5.0))ylabel('semilogy')grid(True)subplot(312)semilogx(t, sin(2*pi*t))ylabel('semilogx')grid(True)gca().xaxis.grid(True, which='minor') # minor grid on toosubplot(313)loglog(t, 20*exp(-t/10.0), basex=4)grid(True)ylabel('loglog base 4 on x')savefig('log_demo')show()
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