Matplotlib で散布図のマーカーサイズを設定する方法

matplotlib.pyplot.scatter(
    x,
    y,
    s=None,
    c="b",
    marker="o",
    cmap=None,
    norm=None,
    vmin=None,
    vmax=None,
    alpha=None,
    linewidths=None,
    faceted=True,
    verts=None,
    hold=None,
    **kwargs
)

import numpy as np
import matplotlib.pyplot as plt

x = [1, 2, 3, 4, 5]
y = np.sin(x)

plt.scatter(x, y, s=500, c="magenta")

plt.title("Scatter plot of sinx")
plt.xlabel("x")
plt.ylabel("sinx")
plt.xlim(0, 6)
plt.ylim(-2, 2)
plt.show()

import matplotlib.pyplot as plt

x = [1, 2, 3, 4, 5]
y = [a ** 2 for a in x]
s = [10 * 4 ** n for n in range(len(x))]
plt.scatter(x, y, s=s)
plt.title("Doubling width of marker in scatter plot")
plt.xlabel("x")
plt.ylabel("x**2")
plt.xlim(0, 6)
plt.ylim(0, 30)
plt.show()

import matplotlib.pyplot as plt

x = [1, 2, 3, 4, 5]
y = [a ** 2 for a in x]
s = [10 * 2 ** n for n in range(len(x))]
plt.scatter(x, y, s=s)
plt.title("Doubling area of marker in scatter plot")
plt.xlabel("x")
plt.ylabel("x**2")
plt.xlim(0, 6)
plt.ylim(0, 30)
plt.show()

import matplotlib.pyplot as plt

x = [1, 2, 3, 4, 5]
y = [0] * len(x)

plt.plot(x, y, "bo", markersize=10)
plt.show()