Traceback (most recent call last): File "C:\Users\罗康康\PycharmProjects\pythonProject\shiyan 8 - 1.py", line 6, in <module> df = pd.read_csv(r'C:\Users\罗康康\PycharmProjects\pythonProject\data.csv') ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\罗康康\PycharmProjects\pythonProject\venv\Lib\site-packages\pandas\io\parsers\readers.py", line 912, in read_csv return _read(filepath_or_buffer, kwds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\罗康康\PycharmProjects\pythonProject\venv\Lib\site-packages\pandas\io\parsers\readers.py", line 577, in _read parser = TextFileReader(filepath_or_buffer, **kwds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\罗康康\PycharmProjects\pythonProject\venv\Lib\site-packages\pandas\io\parsers\readers.py", line 1407, in __init__ self._engine = self._make_engine(f, self.engine) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\罗康康\PycharmProjects\pythonProject\venv\Lib\site-packages\pandas\io\parsers\readers.py", line 1679, in _make_engine return mapping[engine](f, **self.options) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\罗康康\PycharmProjects\pythonProject\venv\Lib\site-packages\pandas\io\parsers\c_parser_wrapper.py", line 93, in __init__ self._reader = parsers.TextReader(src, **kwds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "pandas\_libs\parsers.pyx", line 548, in pandas._libs.parsers.TextReader.__cinit__ File "pandas\_libs\parsers.pyx", line 637, in pandas._libs.parsers.TextReader._get_header File "pandas\_libs\parsers.pyx", line 848, in pandas._libs.parsers.TextReader._tokenize_rows File "pandas\_libs\parsers.pyx", line 859, in pandas._libs.parsers.TextReader._check_tokenize_status File "pandas\_libs\parsers.pyx", line 2017, in pandas._libs.parsers.raise_parser_error UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc8 in position 0: invalid continuation byte是什么意思

E:\Anaconda\envs\pytorch\python.exe C:/Users/15492/PycharmProjects/pythonProject2/test-2.py Traceback (most recent call last): File "C:\Users\15492\PycharmProjects\pythonProject2\test-2.py", line 41, in <module> batch_x, batch_y = get_batch_data(batch_size) File "C:\Users\15492\PycharmProjects\pythonProject2\test-2.py", line 19, in get_batch_data batch_x = torch.random(batch_size) TypeError: 'module' object is not callable

这个错误提示说明你调用了 torch.random，但是 torch 模块中并没有名为 random 的... python batch_x = torch.randn(batch_size, input_size) 这样就可以生成一个大小为 batch_size x input_size 的随机张量。

C:\Users\Administrator\PycharmProjects\pythonProject3\venv\Scripts\python.exe C:/Users/Administrator/PycharmProjects/pythonProject3/main.py Traceback (most recent call last): File "C:/Users/Administrator/PycharmProjects/pythonProject3/main.py", line 3, in <module> from selenium import webdriver ModuleNotFoundError: No module named 'selenium' Process finished with exit code 1

否则需要先安装或修复 Python 及其包管理工具[^1]。 #### 2. **使用 Pip 安装 Selenium** 利用官方推荐的方式通过 Pip 工具下载并安装最新版的 Selenium 库： bash pip install selenium -i ...

C:\Users\万万众\PycharmProjects\pythonProject1\venv\Scripts\python.exe C:/Users/万万众/PycharmProjects/pythonProject1/01.py Traceback (most recent call last): File "C:\Users\万万众\PycharmProjects\pythonProject1\01.py", line 4, in <module> import docx File "C:\Users\万万众\PycharmProjects\pythonProject1\venv\lib\site-packages\docx.py", line 30, in <module> from exceptions import PendingDeprecationWarning ModuleNotFoundError: No module named 'exceptions'

这个错误提示意味着你的代码中使用了一个已经过时的模块 exceptions，而在新版本的 Python 中已经被移除了。你需要修改代码，使用替代的模块或语法。你可以尝试将 from exceptions import ...

/Users/dujun/opt/anaconda3/bin/python /Users/dujun/PycharmProjects/pythonProject1/main.py Traceback (most recent call last): File "/Users/dujun/PycharmProjects/pythonProject1/main.py", line 2, in <module> img = Image.open("11.jpeg") NameError: name 'Image' is not defined 进程已结束,退出代码1

python from PIL import Image 这样，你就可以使用Image.open()方法来打开图像文件了。如果你还没有安装Pillow库，可以使用以下命令来安装： pip install pillow 确保添加了正确的导入语句并...

Traceback (most recent call last): File "C:\Users\15492\PycharmProjects\pythonProject2\test-2.py", line 15, in <module> y = target(x) File "C:\Users\15492\PycharmProjects\pythonProject2\test-2.py", line 11, in target return x.mm(x_weight)+b.item() RuntimeError: self must be a matrix

x = torch.unsqueeze(x, 0) # 将x转换为1行3列的矩阵 x_weight = torch.randn(3, 4) b = torch.randn(1) def target(x): return x.mm(x_weight) + b.item() y = target(x) print(y) 在上述代码中，我们使用...

Traceback (most recent call last): File "C:\Users\ZHANG\PycharmProjects\pythonProject3\yunxin.py", line 690, in <module> main() File "C:\Users\ZHANG\PycharmProjects\pythonProject3\yunxin.py", line 410, in main b.move(1.2) File "C:\Users\ZHANG\PycharmProjects\pythonProject3\bullet.py", line 67, in move self.rect.midtop[1] += self.vy * dt + 0.5 * self.gravity * dt ** 2 TypeError: 'tuple' object does not support item assignment

这个错误是由于 self.rect.midtop[1] 是一个元组，元组是不可变的，所以无法进行赋值操作。你可以将其转换为列表，进行修改后再转换回元组，或者使用 move_ip 方法来移动矩形。例如： self.rect.midtop = ...

Traceback (most recent call last): File "C:\Users\Administrator\PycharmProjects\pythonProject5\keshe.py", line 188, in <module> main_window=main_windows() File "C:\Users\Administrator\PycharmProjects\pythonProject5\keshe.py", line 177, in init self.setupUi(self) File "C:\Users\Administrator\PycharmProjects\pythonProject5\keshe.py", line 102, in setupUi MainWindow.setObjectName("MainWindow") RuntimeError: super-class init() of type main_windows was never called

这是一个 Python 的错误信息，看起来是在创建一个名为 "MainWindow" 的窗口时出现了问题。具体来说，它似乎是在调用 "main_windows" 类的 "__init__" 方法时遇到了错误。这个错误可能是由于没有正确调用父类的 "__...

/Users/dujun/opt/anaconda3/bin/python /Users/dujun/PycharmProjects/pythonProject1/main.py Traceback (most recent call last): File "/Users/dujun/PycharmProjects/pythonProject1/main.py", line 3, in <module> plt.figure("results_img", figsize=(26,26)) NameError: name 'plt' is not defined 进程已结束,退出代码1

python import matplotlib.pyplot as plt 这样，你就可以使用plt.figure()等绘图函数了。确保添加了正确的导入语句后，再次运行代码，应该就能够正常执行了。如果问题仍然存在，请提供更多的代码和错误...

Traceback (most recent call last): File "C:\Users\H\PycharmProjects\pythonProject1\main.py", line 98, in <module> interface = MainInterface(root) File "C:\Users\H\PycharmProjects\pythonProject1\main.py", line 38, in init for user in user: UnboundLocalError: local variable 'user' referenced before assignment

这个错误提示显示在你的代码第38行，错误类型是 UnboundLocalError。这个错误通常是因为在函数或方法内部使用了未初始化的本地变量。根据你提供的代码，我猜测应该是在 MainInterface 中的初始化方法 __init_...

C:\Users\admin\PycharmProjects\pythonProject2\venv\Scripts\python.exe C:\Users\admin\PycharmProjects\pythonProject2\main.py Hi, PyCharm Traceback (most recent call last): File "C:\Users\admin\PycharmProjects\pythonProject2\main.py", line 20, in <module> from bs4 import BeautifulSoup ModuleNotFoundError: No module named 'bs4' Process finished with exit code 1运行代码出现以上错误怎么解决

好的，用户遇到了Python中的ModuleNotFoundError: No module named 'bs4'错误。这个问题通常是因为没有安装对应的BeautifulSoup库。我需要先确认用户的环境和安装方法。首先，用户需要安装beautifulsoup4包。常见...

C:\Users\26921\PycharmProjects\pythonProject\jsonxinhuanjing\Scripts\python.exe C:\Users\26921\PycharmProjects\pythonProject\forth.py 2%|▏ | 263/15949 [02:18<2:17:51, 1.90it/s] Traceback (most recent call last): File "C:\Users\26921\PycharmProjects\pythonProject\forth.py", line 33, in <module> if sentiment_classify(txt) > 0.5: File "C:\Users\26921\PycharmProjects\pythonProject\forth.py", line 17, in sentiment_classify positive_prob = results['items'][0]['positive_prob'] KeyError: 'items' Process finished with exit code 1

根据你提供的信息，这似乎是一个 Python 代码的错误信息。错误信息提示了一个 KeyError，也就是说在一个字典中没有找到我们想要的键。具体来说，这个错误是在 forth.py 文件中的 sentiment_classify 函数中发生的。...

Traceback (most recent call last): File "/Users/zzs/PycharmProjects/pythonProject/text14.py", line 9, in <module> fw.write(line) TypeError: write() argument must be str, not list

fw = open("/Users/zzs/Desktop/word1.txt", "w", encoding="UTF-8") for line in fr: line = line.strip() if line.split(",")[4] == "测试": continue fw.write(','.join(line.split(","))) # 将列表元素转换...

C:\Users\BQ\PycharmProjects\pythonProject8\venv\Scripts\python.exe C:\Users\BQ\PycharmProjects\pythonProject8\main.py Traceback (most recent call last): File "C:\Users\BQ\PycharmProjects\pythonProject8\main.py", line 2, in <module> df = pd.read_csv(r'', index_col=0, parse_dates=['time']) NameError: name 'pd' is not defined Process finished with exit code 1错误怎么解决

这个错误提示说明你的代码中使用了 pandas 库，但是在代码开头并没有导入 pandas 库，所以需要在代码开头添加 import pandas as pd 语句来导入 pandas 库。如果你已经导入了 pandas 库，那么可能是因为你的 pandas...

Traceback (most recent call last): File "C:\Users\Administrator\PycharmProjects\pythonProject4\MatchAnalysis.py", line 84, in <module> ui2.setupUi(Dialog) File "C:\Users\Administrator\PycharmProjects\pythonProject4\MatchAnalysis.py", line 49, in setupUi MainWindow.setCentralWidget(self.centralwidget) AttributeError: 'QDialog' object has no attribute 'setCentralWidget'

这个错误提示是因为在你的代码中，你正在尝试将一个 QDialog 对象的中心部件设置为一个中心部件。但是，QDialog 类并没有 setCentralWidget() 方法，因此会出现该错误。解决方法是将 QDialog 替换为 ...

基于多串变压器LLC控制技术的高功率LED照明驱动解决方案设计：提高效率与降低成本

内容概要：文章介绍了采用多串变压器 LLC控制技术的新型离线式 LED照明驱动解决方案，该方案基于TI的UCC25710多串变压器 LLC谐振控制器，实现了高效率、低成本、高可靠性和良好EMI性能的两级拓扑结构。与传统三级拓扑结构相比，新方案省去了多个非隔离DC/DC变换环节，减少了元件数量，提升了系统效率至92%以上。文中详细描述了多串变压器的设计原理、LLC谐振控制器的工作机制，并展示了100W四串LED负载的参考设计PMP4302A的实际性能，包括输出电流匹配、效率、调光波形及EMI测试结果。适合人群：从事LED照明系统设计的研发工程师和技术人员，尤其是对高功率LED驱动器设计感兴趣的读者。使用场景及目标：①适用于户外和商业领域的高功率LED照明系统；②用于需要高效能、低成本、可靠性和良好EMI性能的LED照明应用；③支持PWM和模拟调光功能，适用于需要调光接口的LED照明系统。其他说明：本文不仅提供了详细的理论分析和技术细节，还包括了具体的应用实例和测试数据，为实际工程应用提供了有力支持。建议读者结合实际需求，深入研究多串变压器LLC谐振控制器的设计原理和实现方法，并关注其在不同应用场景下的表现。

Traceback (most recent call last): File "/Users/zzs/PycharmProjects/pythonProject/text17.py", line 11, in <module> clock1.ring() File "/Users/zzs/PycharmProjects/pythonProject/text17.py", line 6, in ring import winsound ModuleNotFoundError: No module named 'winsound'

Traceback (most recent call last): File "C:\Users\11242\PycharmProjects\pythonProject2\main.py", line 1, in <module> tb=open("C:/Users/11242/PycharmProjects/pythonProject2/1.csv""r") FileNotFoundError: [Errno 2] No such file or directory: 'C:/Users/11242/PycharmProjects/pythonProject2/1.csvr'

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Traceback (most recent call last): File "/Users/zzs/PycharmProjects/pythonProject/text17.py", line 11, in <module> clock1.ring() File "/Users/zzs/PycharmProjects/pythonProject/text17.py", line 6, in ring import winsound ModuleNotFoundError: No module named 'winsound'

Traceback (most recent call last): File "C:\Users\11242\PycharmProjects\pythonProject2\main.py", line 1, in <module> tb=open("C:/Users/11242/PycharmProjects/pythonProject2/1.csv""r") FileNotFoundError: [Errno 2] No such file or directory: 'C:/Users/11242/PycharmProjects/pythonProject2/1.csvr'

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Traceback (most recent call last): File "C:\Users\15492\PycharmProjects\pythonProject2\test-2.py", line 15, in <module> y = target(x) File "C:\Users\15492\PycharmProjects\pythonProject2\test-2.py", line 11, in target return x.mm(x_weight)+b.item() RuntimeError: self must be a matrix

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