8000 Merge pull request #7968 from dstansby/cohere-demo-fix · matplotlib/matplotlib@e6e8468 · GitHub
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Merge pull request #7968 from dstansby/cohere-demo-fix
[MRG+1] Fix cohere-demo
2 parents c15694b + f406d7d commit e6e8468

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-39
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4 files changed

+36
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‎examples/lines_bars_and_markers/cohere_demo.py

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"""
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=====================================
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Plotting the coherence of two signals
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=====================================
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An example showing how to plot the coherence of two signals.
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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# Fixing random state for reproducibility
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np.random.seed(19680801)
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dt = 0.01
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t = np.arange(0, 30, dt)
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nse1 = np.random.randn(len(t)) # white noise 1
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nse2 = np.random.randn(len(t)) # white noise 2
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# Two signals with a coherent part at 10Hz and a random part
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s1 = np.sin(2 * np.pi * 10 * t) + nse1
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s2 = np.sin(2 * np.pi * 10 * t) + nse2
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fig, axs = plt.subplots(2, 1)
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axs[0].plot(t, s1, t, s2)
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axs[0].set_xlim(0, 2)
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axs[0].set_xlabel('time')
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axs[0].set_ylabel('s1 and s2')
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axs[0].grid(True)
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cxy, f = axs[1].cohere(s1, s2, 256, 1. / dt)
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axs[1].set_ylabel('coherence')
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fig.tight_layout()
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plt.show()

‎examples/pylab_examples/cohere_demo.py

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‎examples/tests/backend_driver.py

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files['lines'] = [
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'barh_demo.py',
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'cohere_demo.py',
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'fill_demo.py',
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'fill_demo_features.py',
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'line_demo_dash_control.py',
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'barcode_demo.py',
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'boxplot_demo.py',
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'broken_barh.py',
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'cohere_demo.py',
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'color_by_yvalue.py',
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'color_demo.py',
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'colorbar_tick_labelling_demo.py',

‎lib/matplotlib/axes/_axes.py

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Examples
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--------
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.. plot:: mpl_examples/pylab_examples/cohere_demo.py
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.. plot:: mpl_examples/lines_bars_and_markers/cohere_demo.py
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"""
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if not self._hold:
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self.cla()

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