C++ 的機器學習庫：MLPACK

MLPACK 是一個 C++ 的機器學習庫，其重點是可伸縮性、速度和易用。

示例代碼：

#include <mlpack/methods/range_search/range_search.hpp>

using namespace mlpack::range;

// Our dataset matrix, which is column-major.
extern arma::mat dataset;

// The 'true' option indicates that we will use naive calculation.
RangeSearch<> a(dataset, true);

// The vector-of-vector objects we will store output in.
std::vector<std::vector<size_t> > resultingNeighbors;
std::vector<std::vector<double> > resultingDistances;

// The range we will use.  The upper bound is DBL_MAX.
math::Range r(5.0, DBL_MAX); // [5.0, inf).

a.Search(r, resultingNeighbors, resultingDistances);

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