libeigen3: libeigen3 3.2.1 (Linear algebra library)  
libeigen3:  
libeigen3: Eigen is a C++ template library for linear algebra: matrices, 
libeigen3: vectors, numerical solvers, and related algorithms.  
libeigen3: 
libeigen3: 
libeigen3: 
libeigen3: 
libeigen3: 
libeigen3: 
libeigen3:  

