3 examples of 'numpy plot points' in Python

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98def showPlot(points):
99 plt.figure()
100 fig, ax = plt.subplots()
101 # this locator puts ticks at regular intervals
102 loc = ticker.MultipleLocator(base=0.2)
103 ax.yaxis.set_major_locator(loc)
104 plt.plot(points)
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81def plot_points(data, xpower=0):
82 """Make a nice plot
83 """
84 import matplotlib.pylab as plt
85 x = data[0]
86 y = data[1] * x ** xpower
87 ydn = data[2] * x ** xpower
88 yup = data[3] * x ** xpower
89 plt.errorbar(x, y, [ydn, yup], fmt='o', color='k')
29def plot_points(ax, coors, vals=None, point_size=20,
30 show_colorbar=False):
31 """
32 Plot points with given coordinates, optionally colored using `vals` values.
33 """
34 dim = coors.shape[1]
35 ax = _get_axes(ax, dim)
36
37 colors = 'b' if vals is None else vals
38
39 coors = _to2d(coors)
40 sc = ax.scatter(*coors.T, s=point_size, c=colors, alpha=1)
41
42 if show_colorbar and (vals is not None):
43 plt.colorbar(sc)
44
45 return ax

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