Stan Math Library  2.14.0
reverse mode automatic differentiation
columns_dot_self.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_COLUMNS_DOT_SELF_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_COLUMNS_DOT_SELF_HPP
3 
5 
6 namespace stan {
7  namespace math {
8 
14  template<typename T, int R, int C>
15  inline Eigen::Matrix<T, 1, C>
16  columns_dot_self(const Eigen::Matrix<T, R, C>& x) {
17  return x.colwise().squaredNorm();
18  }
19 
20  }
21 }
22 #endif
Eigen::Matrix< fvar< T >, 1, C > columns_dot_self(const Eigen::Matrix< fvar< T >, R, C > &x)

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