问题标签 [ecos]
For questions regarding programming in ECMAScript (JavaScript/JS) and its various dialects/implementations (excluding ActionScript). Note JavaScript is NOT the same as Java! Please include all relevant tags on your question; e.g., [node.js], [jquery], [json], [reactjs], [angular], [ember.js], [vue.js], [typescript], [svelte], etc.
python - SCS 和 MOSEK 求解器继续运行
我的应用程序使用 ECOS Solver 已经很长时间了,突然之间我们开始得到不可行的解决方案,从而导致求解器错误。在网上查看了一些堆栈和建议,我看到了对 MOSEK 和 SCS 求解器的建议。
我尝试将我的 ECOS 替换为 SCS 和 MOSEK Solvers,但我的运行永无止境。通常我的跑步会在 2 小时内结束,但在更换之后会跑 8 小时左右,而且永远不会结束。请给我建议。
下面是参数,
'solver': {'name': 'MOSEK', 'backup_name': 'SCS', 'verbose': True, 'max_iters': 3505}
请帮助
错误日志:
由于阶段故障而中止作业:阶段 6.0 中的任务 1934 失败 4 次,最近一次失败:阶段 6.0 中丢失任务 1934.3(TID 5028,ip-10-219-208-218.ec2.internal,执行程序 1):org. apache.spark.api.python.PythonException:回溯(最近一次调用最后一次):文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies.zip/cat/tf/tf_model/model.py”,第 262 行,适合引发 SolverError cvxpy.error.SolverError
在处理上述异常的过程中,又出现了一个异常:
回溯(最后一次调用):文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/expressions/constants/constant.py”,第 243 行,位于 extremal_eig_near_ref ev = SA_eigsh(sigma) 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/expressions/constants/constant.py”,第 238 行,在 SA_eigsh 返回 eigsh (A,k=1,sigma=sigma,return_eigenvectors=False)文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack /arpack.py",第 1687 行,在 eigsh params.iterate() 文件中"envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack/arpack.py”,第571行,在迭代self._raise_no_convergence() “envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack/arpack.py”,第 377 行,在 _raise_no_convergence 提高 ArpackNoConverence (num_iter, k_ok, self.k), ev, vec) scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence:ARPACK 错误 -1:没有收敛(361 次迭代,0/1 特征向量收敛)_raise_no_convergence() 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack/arpack.py”,第 3 行,第 3 行ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec) scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK 错误 -1: 没有收敛(361 次迭代,0/1 特征向量收敛)_raise_no_convergence() 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack/arpack.py”,第 3 行,第 3 行ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec) scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK 错误 -1: 没有收敛(361 次迭代,0/1 特征向量收敛)无收敛(361 次迭代,0/1 特征向量收敛)无收敛(361 次迭代,0/1 特征向量收敛)
在处理上述异常的过程中,又出现了一个异常:
Traceback (most recent call last): File "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/pyspark.zip/pyspark/worker.py", line 377, in main process() File "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/pyspark.zip /pyspark/worker.py",第 372 行,在进程中 serializer.dump_stream(func(split_index,iterator),outfile) 文件 "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/pyspark.zip/pyspark/serializers.py",第 400 行,在 dump_stream vs = list(itertools.islice(iterator, batch)) 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/pyspark.zip/pyspark/util.py”,第 113 行,在包装器中返回 f(*args, **kwargs ) 文件 ”envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000001/py_dependencies.zip/pyspark_scripts/spark_tf_pipeline.py", line 49, in File "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies.zip/cat/tf/tf_model/tf_get_from_smu_records.py", line 38 , in tf_get_from_smu_records data_points, current_date_string, params) File "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies.zip/cat/tf/tf_model/tf_get_from_smu_records.py", line 24, in tf_get_outputs_from_smu_records model_output, _ = fit_model(ts_wrapper, params) File “envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies.zip/cat/tf/tf_model/fit_model.py”,第 13 行,在 fit_model machine_model 中。fit() File "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies.zip/cat/tf/tf_model/machine_model.py", line 62, in fit self._fit() File "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies. zip/cat/tf/tf_model/machine_model.py”,第 120 行,在 _fit self.model.fit() 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies.zip/cat/tf/tf_model/model.py”中,第 267 行,适合 self._fit(self.solver_params['backup_name']) 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/py_dependencies.zip/cat/tf/tf_model/model.py”,第 245 行,在 _fit feastol tols['feastol_inacc']) 文件 "envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/problems/problem.py",第401行,在求解返回solve_func(self, *args, **kwargs)文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/problems/problem.py”,第818行,在_solve self、data、warm_start、verbose、kwargs)文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/reductions/solvers/solving_chain.py”,第341行,在solve_via_data solver_opts,问题File._solver_cache)envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/reductions/solvers/conic_solvers/cvxopt_conif.py”,第162行,在solve_via_reddata中如果=self.removeant_row = s.INFEASIBLE:文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/reductions/solvers/conic_solvers/cvxopt_conif.py”,第286行remove_redundant, = extremal_eig_near_ref(gram, ref=TOL) 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/expressions/constants/constant.py”,第 247 行, extremal_eig_near_ref ev = SA_eigsh(sigma) 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/cvxpy/expressions/constants/constant.py”,第 238 行,在 SA_eigsh 返回 eigsh(A, k=1, sigma =sigma,return_eigenvectors=False)文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack/arpack.py”,第1687行,在 eigsh params.iterate() 文件“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack/arpack.py”中,行571,在迭代 self._raise_no_convergence() 文件中“envpath/appcache/application_1618545751422_0044/container_1618545751422_0044_02_000002/miniconda/envs/project/lib/python3.6/site-packages/scipy/sparse/linalg/eigen/arpack/arpack.py”,第 377 行,在 _raise_no_convergence num_iter, k_ok, self.k), ev, vec) scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence:ARPACK 错误 -1:没有收敛(361 次迭代,0/1 特征向量收敛)
驱动程序堆栈跟踪:
python - 转换为 Sparse_Matrix
我想对 QP 问题使用 Solver ecos,问题是这个求解器不能不承认我的矩阵是稀疏矩阵,我想知道我应该如何修复它。
所以这是矩阵设置的代码
现在是 ecos Solver 的代码
我在变量 G 处使用了他们的稀疏矩阵,但它没有被确认为稀疏矩阵 我该如何解决这个问题?
python - 使用 Pycharm 安装 cvxpy 包时如何解决错误
我正在尝试在 Windows 上使用 Pycharm 在 Python 3.9.7 中安装 cvxpy 包。我收到此错误:根据我在网上可以找到的信息,我已经安装了 C++,降级了 Python 版本并更新了 pip。卸载所有东西并重新安装软件。没有任何效果
我已经尝试过使用 pip 和 Pycharm 设置
有人遇到过这个问题并找到了解决方案吗?