在pycharm中使用matplotlib,运行代码之后报错
问题
matplotlib是一个在python中很常用的图形化库,有时候我们在pip install matplotilb,运行行了我们的程序 如下
import numpy as np
import matplotlib.pylab as plt
def sigmoid(x):
return 1 / (1 + np.exp(-x))
print(round(sigmoid(3.1415926),2))
X = np.arange(-5.0, 5.0, 0.1)
Y = sigmoid(X)
plt.plot(X, Y)
plt.ylim(-0.1, 1.1)
plt.show()
其中 包含 plt.show() 这行代码需要展示图形
肯呢个出现下面的报错情形
File "F:\Anoconda\envs\torch310\lib\site-packages\matplotlib\pyplot.py", line 613, in show return _get_backend_mod().show(*args, **kwargs) File "D:\pyCharm\PyCharm 2023.1\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 29, in __call__ manager.show(**kwargs) File "D:\pyCharm\PyCharm 2023.1\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 112, in show self.canvas.show() File "D:\pyCharm\PyCharm 2023.1\plugins\python\helpers\pycharm_matplotlib_backend\backend_interagg.py", line 73, in show buffer = self.tostring_rgb() AttributeError: 'FigureCanvasInterAgg' object has no attribute 'tostring_rgb'. Did you mean: 'tostring_argb'?
原因及解决办法
操作步骤:
- 打开 PyCharm
- 进入设置:
- File → Settings(Windows/Linux)
- PyCharm → Preferences(macOS)
- 导航到:
Tools → Python Scientific - 取消勾选:
Show plots in tool window - 点击 OK
- 重启 PyCharm
- 之后
plt.show()会弹出一个独立窗口(而不是在 PyCharm 底部显示),但能正常工作。

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