tut_arithmetic_matrix_mul.cpp
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1 #include <iostream>
2 #include <Eigen/Dense>
3 
4 using namespace Eigen;
5 int main()
6 {
7  Matrix2d mat;
8  mat << 1, 2,
9  3, 4;
10  Vector2d u(-1,1), v(2,0);
11  std::cout << "Here is mat*mat:\n" << mat*mat << std::endl;
12  std::cout << "Here is mat*u:\n" << mat*u << std::endl;
13  std::cout << "Here is u^T*mat:\n" << u.transpose()*mat << std::endl;
14  std::cout << "Here is u^T*v:\n" << u.transpose()*v << std::endl;
15  std::cout << "Here is u*v^T:\n" << u*v.transpose() << std::endl;
16  std::cout << "Let's multiply mat by itself" << std::endl;
17  mat = mat*mat;
18  std::cout << "Now mat is mat:\n" << mat << std::endl;
19 }
Eigen
Namespace containing all symbols from the Eigen library.
Definition: jet.h:637
mat
MatrixXf mat
Definition: Tutorial_AdvancedInitialization_CommaTemporary.cpp:1
main
int main()
Definition: tut_arithmetic_matrix_mul.cpp:5
v
Array< int, Dynamic, 1 > v
Definition: Array_initializer_list_vector_cxx11.cpp:1


gtsam
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autogenerated on Fri Nov 1 2024 03:43:01