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  • _.transform

    .transform(object, [iteratee=.identity], [accumulator]) Since Arguments Returns Example .transform(object, [iteratee=.identity], [accumulator]) source npm package An alte...
  • XRANGE

    XRANGE Syntax - and + special IDs Incomplete IDs Exclusive ranges Returning a maximum number of entries Iterating a stream Fetching single items Return Examples XRANG...
  • XRANGE

    XRANGE Syntax - and + special IDs Incomplete IDs Exclusive ranges Returning a maximum number of entries Iterating a stream Fetching single items Return Examples XRANG...
  • XRANGE

    XRANGE Syntax - and + special IDs Incomplete IDs Exclusive ranges Returning a maximum number of entries Iterating a stream Fetching single items Return Examples XRANG...
  • 迭代相关

    迭代相关 迭代相关 Base.Iterators.Stateful — Type Stateful ( itr ) There are several different ways to think about this iterator wrapper: It provides a mutable wrapper around an...
  • 迭代相关

    迭代相关 迭代相关 Base.Iterators.Stateful — Type Stateful ( itr ) There are several different ways to think about this iterator wrapper: It provides a mutable wrapper around an...
  • EVD(特征值分解)

    特征值分解 1 源码分析 特征值分解   假设向量v 是方阵A 的特征向量,可以表示成下面的形式:   这里lambda 表示特征向量v 所对应的特征值。并且一个矩阵的一组特征向量是一组正交向量。特征值分解是将一个矩阵分解为下面的形式:   其中Q 是这个矩阵A 的特征向量组成的矩阵。sigma 是一个对角矩阵,每个对角线上的元...
  • Python API 参考

    2578 2019-05-25 《XGBoost 中文文档》
    Python API 参考 核心的数据结构 学习的 API Scikit-Learn 的 API 绘图的 API Python API 参考 该页面提供了有关 xgboost 的 Python API 参考, 请参阅 Python 软件包介绍以了解更多关于 python 软件包的信息. 该页面中的文档是由 sphinx 自动生成的. 其中的...
  • Performance

    Performance Event loop statistics Watchdog Performance Envoy is architected to optimize scalability and resource utilization by running an event loop on a small number of thre...
  • Performance

    Performance Event loop statistics Watchdog Performance Envoy is architected to optimize scalability and resource utilization by running an event loop on a small number of thre...