正規分布を描く

gnd.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import numpy as np
from matplotlib import pyplot as plt


def main():
    x = np.arange(-5, 5.1, 0.1)
    y = np.exp(-x ** 2 / 2) / np.sqrt(2 * np.pi)

    plt.plot(x * 10 + 50, y)

    plt.ylim(0, 0.5)
    plt.xlim(0, 100)
    plt.show()


if __name__ == '__main__':
    main()

snd.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import numpy as np
from matplotlib import pyplot as plt


def main():
    x = np.arange(-4, 4.1, 0.1)
    y = np.exp(-x ** 2 / 2) / np.sqrt(2 * np.pi)

    plt.plot(x, y)

    plt.ylim(0, 0.5)
    plt.xlim(-4, 4)
    plt.show()


if __name__ == '__main__':
    main()