| Stan Math Library 2.12.0 reverse mode automatic differentiation

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cols.hpp File Reference
`#include <stan/math/prim/mat/fun/Eigen.hpp>`

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## Namespaces
| stan
| stan::math
| Matrices and templated mathematical functions.

## Functions
template<typename T , int R, int C>
int | stan::math::cols (const Eigen::Matrix< T, R, C > &m)
| Return the number of columns in the specified matrix, vector, or row vector. More...

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