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pylab_examples example code: invert_axes.pyΒΆ

(Source code, png, hires.png, pdf)

You can use decreasing axes by flipping the normal order of the axis

import matplotlib.pyplot as plt
import numpy as np

t = np.arange(0.01, 5.0, 0.01)
s = np.exp(-t)
plt.plot(t, s)

plt.xlim(5, 0)  # decreasing time

plt.xlabel('decreasing time (s)')
plt.ylabel('voltage (mV)')
plt.title('Should be growing...')

Keywords: python, matplotlib, pylab, example, codex (see Search examples)