matplotlib的图案添加网格线
时间: 2023-10-20 22:24:20 浏览: 98
要在Matplotlib中添加网格线,您可以使用`grid()`函数。`grid()`函数接受两个参数:`b`和`which`。`b`参数是一个布尔值,用于指定是否显示网格线。 `which`参数是一个字符串,用于指定要显示哪些网格线。以下是一个简单的示例:
```python
import matplotlib.pyplot as plt
# 生成一些数据
x = [1, 2, 3, 4, 5]
y = [2, 4, 6, 8, 10]
# 绘制折线图
plt.plot(x, y)
# 添加网格线
plt.grid(b=True, which='major', color='gray', linestyle='--')
# 显示图形
plt.show()
```
在上面的示例中,`grid()`函数中的`b`参数设置为`True`,表示要显示网格线。`which`参数设置为`major`,表示只显示主要网格线。我们还指定了网格线的颜色为灰色,线型为虚线。
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