天池新手赛-语义分割笔记（一）

小木屋_doh

于 2021-02-20 16:20:45 发布

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文章标签：深度学习

原文链接：https://tianchi.aliyun.com/notebook-ai/home?#notebookLabId=159565&notebookType=ALL&isHelp=false&operaType=5

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# 查看当前kernel下已安装的包  list packages
!pip list --format=columns

# 安装拓展包
pip install some_package --user

# 举例：安装sklearn某依赖库
!pip install sklearn2pmml --user

# 举例：绘图案例 an example of matplotlib
%matplotlib inline
import numpy as np
import matplotlib.pyplot as plt
from scipy.special import jn
from IPython.display import display, clear_output
import time
x = np.linspace(0,5)
f, ax = plt.subplots()
ax.set_title("Bessel functions")

for n in range(1,10):
    time.sleep(1)
    ax.plot(x, jn(x,n))
    clear_output(wait=True)
    display(f)

# close the figure at the end, so we don't get a duplicate
# of the last plot
plt.close()