Python的one-hot图什么参数可以更该每个数据格的大小,其默认值为多少
时间: 2024-03-14 17:45:40 浏览: 62
在Python中使用one-hot编码生成的图通常是一个矩阵,每个数据格的大小可以通过修改绘图库的参数来实现。如果你使用matplotlib库来绘图,可以通过设置imshow函数的参数extent来调整每个数据格的大小。extent参数是一个四元组(left, right, bottom, top),用于指定绘制区域的左、右、下、上边界的位置。例如:
```python
import matplotlib.pyplot as plt
import numpy as np
# 生成一个5x5的one-hot编码矩阵
data = np.eye(5)
# 使用imshow函数绘制矩阵,并设置extent参数来调整每个数据格的大小
plt.imshow(data, cmap='binary', extent=[0, 5, 0, 5])
# 显示图像
plt.show()
```
在上面的例子中,我们通过设置extent参数为[0, 5, 0, 5]来将每个数据格的大小设置为1x1,从而调整每个数据格的大小。如果不设置extent参数,imshow函数会默认将每个数据格的大小设置为1x1,这也是extent参数的默认值。
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