Using matplotlib one can use:
plt.hlines/vlines
to draw segments (e.g. between two data points)plt.axhline/axvline
to draw lines relative to the axes
My question is: what is the simplest way to do half of each? Typically, drawing a segment from a datapoint to its coordinate on the x or y axis.
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Answer
In my opinion, this is simple enough (4 lines):
fig, ax = plt.subplots() x = np.arange(10) y = np.arange(10) ax.plot(x, y) # starting from here ymin, ymax = ax.get_ylim() for i in range(len(x)): ax.vlines(x[i], ymin, y[i]) ax.set_ylim(ymin, ymax)
Output: