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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
4 #include <stan/math/prim/mat/fun/Eigen.hpp>
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.hpp
stan::math::columns_dot_self
Eigen::Matrix< fvar< T >, 1, C > columns_dot_self(const Eigen::Matrix< fvar< T >, R, C > &x)
Definition: columns_dot_self.hpp:15

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