#include <Eigen/Dense> #include <Eigen/Sparse> #include <iterator> #include <algorithm> using namespace std; using namespace Eigen; /**Read data from File and store it in vector as string**/ int readFromFile (const char * path, vector <string> & mv) // muss vector vorher resized ...
// import most common Eigen typesint main(int, char *[]){Matrix3f m3; //3x3单精度矩阵m3 << 1, 2, 3, 4, 5, 6, 7, 8, 9;Matrix4f m4 = Matrix4f::Identity(); //4x4单位矩阵(单精度)Vector4i v4(1, 2, 3, 4); // 长度为4的整型向量 //...
int main(int, char *[]){ std::vector<float> stlarray(10); VectorXf::Map(&stlarray[0], stlarray.size()).squaredNorm(); return 0;} 1. 2. 3. 4. 通过逗号初始化 #include <iostream>#include <vector>#include <Eigen/Core> using namespace Eigen; using namespace std; int main(int,...
AI代码解释 /// Created by fuhong on 20-7-12.//#include<iostream>#include<Eigen/Dense>using namespace Eigen;using namespace std;intmain(){MatrixXd m=MatrixXd::Random(3,3);//初始化动态矩阵m,使用Random函数,初始化的值在[-1,1]区间内,矩阵大小3X3m=(m+MatrixXd::Constant(3,3,1.2))*50...
:Vector2da[10];intb;};structexample{EIGEN_MAKE_ALIGNED_OPERATOR_NEWstd::array<Eigen::Vector2d,...
common Eigen typesintmain(int,char*[]){Matrix3f m3;//3x3单精度矩阵m3<<1,2,3,4,5,6,7,8,9;Matrix4f m4=Matrix4f::Identity();//4x4单位矩阵(单精度)Vector4iv4(1,2,3,4);// 长度为4的整型向量// 输出结果std::cout<<"m3\n"<<m3<<"\nm4:\n"<<m4<<"\nv4:\n"<<v4<<std::...
#include <Eigen/Dense> #include <iostream> using namespace std; using namespace Eigen; int main(int argc, char const *argv[]) { Eigen::Matrix3d pos=Eigen::Matrix3d::Identity(); cout<<"pos="<<endl<<pos<<endl; Eigen::Vector3d A{1,2,3}; Eigen::Vector3d B; B=pos*(A.inverse(...
=2.5;m(0,1) =-1;m(1,1) = m(1,0) + m(0,1);cout<<"Here is the matrix m:"<<endl;cout<< m <<endl;VectorXdv(2);v(0) =4;v[1] = v[0] -1;//operator[] 在 vectors 中重载,意义和()相同cout<<"Here is the vector v:"<<endl;cout<< v...
intmain(int,char*[]) { Matrix3fm3; m3<<1,2,3,4,5,6,7,8,9; Matrix4fm4=Matrix4f::Identity(); Vector4iv4(1,2,3,4); std::cout<<"m3\n"<<m3<<"\nm4:\n" <<m4<<"\nv4:\n"<<v4<<std::endl; } 在MatrixTest目录的地址栏中输入cmd,然后用g++ main.cpp对文件进行编译,再运行...
5.2 Array类的其他操作 Array 还定义了 绝对值 abs() ,开平方根sqrt() , 以及找对应元素最小值操作 min() ; // // Created by fuhong on 20-7-13. // #include <iostream> #include <eigen3/Eigen/Dense> using namespace Eigen; using namespace std; int main(int argc, char **argv) { Arra...