TypeError: expected str, bytes or os.PathLike object, not numpy.ndarray
时间: 2023-10-24 10:25:40 浏览: 76
这个错误通常是因为你尝试将一个numpy数组作为文件路径传递给某个函数或方法,而这个函数或方法需要的是一个字符串、字节或路径对象。
请确保你传递给函数或方法的是一个正确的路径字符串,而不是numpy数组。如果你需要将numpy数组保存到文件中,请使用numpy提供的相关函数,如`numpy.savetxt()`或`numpy.save()`。
相关问题
savemat TypeError: expected str, bytes or os.PathLike object, not tuple
TypeError: expected str, bytes or os.PathLike object, not tuple 这个错误通常发生在使用savemat函数并传入一个元组作为参数时。savemat函数是用于将数据保存到MATLAB格式文件的函数。根据引用中的解决方案,我们可以使用numpy库的asarray函数将元组转换为数组,然后再将数组传递给savemat函数来解决这个问题。
下面是解决savemat TypeError的步骤:
1. 导入numpy库:import numpy as np
2. 将元组转换为数组:data_array = np.asarray(your_tuple)
3. 使用savemat函数保存数据:scipy.io.savemat(file_name, {'data': data_array})
通过以上步骤,你就可以成功解决savemat TypeError: expected str, bytes or os.PathLike object, not tuple的问题。请确保你已经安装了numpy和scipy库,并将你的元组数据正确传递给savemat函数。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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TypeError: expected str, bytes or os.PathLike object, not ndarray
This error occurs when you pass a numpy ndarray (N-dimensional array) as an argument to a function or method that expects a string, bytes, or os.PathLike object.
To fix this error, you need to convert the ndarray to a string, bytes, or os.PathLike object before passing it to the function or method. The specific conversion method depends on the function or method being used.
For example, if you are trying to open a file using the `open()` function and passing an ndarray as the filename, you can convert the ndarray to a string using the `str()` function:
```
import numpy as np
# create an ndarray
arr = np.array([1, 2, 3])
# open a file using the filename from the ndarray
with open(str(arr), 'w') as f:
f.write('Hello, world!')
```
In this example, the `str()` function is used to convert the ndarray `arr` to a string before passing it to the `open()` function.