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Pytorch autograd与逻辑回归的实现详解_python_脚本之家
grad_2 = torch.autograd.grad(grad_1[0], x, create_graph=True) print(grad_2) # 求二阶导 grad_3 = torch.autograd.grad(grad_2[0], x) print(grad_3) print(type(grad_3)) (tensor([6.], grad_fn=<MulBackward0>),)(tensor([2.], grad_fn=<MulBackward0>),)(tensor([0.]),)...
www.jb51.net/python/291427w...htm 2025-1-19
Golang 依赖注入经典解决方案uber/fx理论解析_Golang_脚本之家
构建出来整个 dependency graph。 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 // Provide registers any number of constructor functions, teaching the // application how to instantiate various types. The supplied ...
www.jb51.net/article/2841...htm 2023-5-12
基于Python Dash库制作酷炫的可视化大屏_python_脚本之家
dcc.Graph(id="heatmap", style={"height": "90%", "width": "98%"}, config=dict(displayModeBar=False),) ], className="col-6 chart_div",), html.Div([ html.P("文章列表"), html.Div(get_news_table(get_df()), id='click-data'), ], className="col-6 chart_div", style={"ov...
www.jb51.net/article/2332...htm 2025-1-19
Pytorch 中retain_graph的用法详解_python_脚本之家
89 tensors, grad_tensors, retain_graph, create_graph, ---> 90 allow_unreachable=True) # allow_unreachable flag 91 92 RuntimeError: Trying to backward through the graph a second time, but the buffers have already been freed. Specify retain_graph=True when calling backward the first time....
www.jb51.net/article/1779...htm 2025-1-18
Python Ast抽象语法树的介绍及应用详解_python_脚本之家
Emit bytecode based on the Control Flow Graph (Python/compile.c) 即实际python代码的处理过程如下: 源代码解析 --> 语法树 --> 抽象语法树(AST) --> 控制流程图 --> 字节码 上述过程在python2.5之后被应用。python源码首先被解析成语法树,随后又转换成抽象语法树。在抽象语法树中我们可以看到源码文件中...
www.jb51.net/article/2572...htm 2025-1-2
C++ Cartographer源码中关于Sensor的数据走向深扒_C 语言_脚本之家
local_slam_result_callback, pose_graph_odometry_motion_filter))); 所以最终SensorBridge的trajectory_builder_实际上是CollatedTrajectoryBuilder的地址, 所以SensorBridge的trajectory_builder_的AddSensorData实际上是把数据添加到了CollatedTrajectoryBuilder里面, 而不是GlobalTrajectoryBuilder或者LocalTrajectoryBuilder(这三...
www.jb51.net/article/2795...htm 2024-12-25
Python Matplotlib初阶使用入门教程_python_脚本之家
A helper function to make a graph Parameters --- ax : Axes The axes to draw to data1 : array The x data data2 : array The y data param_dict : dict Dictionary of kwargs to pass to ax.plot Returns --- out : list list of artists added """ out = ax.plot(data1, data2, *...
www.jb51.net/article/2293...htm 2025-1-12
Python几种常见算法汇总_python_脚本之家
ifperson_is_seller(person):print("the seller is {0}".format(person))returnTrueelse: search_queue+=graph[person] searched.append(person)#将这个人标记为检查过 returnFalseprint(Search("you")) 5、贪婪算法 贪婪算法,又名贪心算法,对于没有快速算法的问题(NP完全问题),就只能选择近似算法,贪婪算法寻找...
www.jb51.net/article/1878...htm 2025-1-13