擅长:python、mysql、java
<p>您需要立即使用<code>plt.show()</code>,因为您没有打印任何图形</p>
<h3>示例:</h3>
<pre><code>import matplotlib.pyplot as plt
plt.plot([1, 2, 3], [1, 4, 6])
plt.show() # this line displays your graph
</code></pre>
<h3>自定义图形</h3>
<p>现在您已经知道如何打印图形,可以添加标题和轴标签</p>
<pre class="lang-py prettyprint-override"><code>plt.ylabel('some numbers') # y-axis title
plt.xlabel('other numbers') # x-axis title
plt.title('My Graph') # main title
plt.show()
</code></pre>
<h3>输出</h3>
<p><a href="https://i.stack.imgur.com/48YYi.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/48YYi.png" alt="enter image description here"/></a></p>