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C++ 2021-09-14 23:41:03
eigenvalue of matrix c++ using Eigen
#include <eigen3/Eigen/Eigenvalues> // header file #include <iostream> int main(){ Eigen::Matrix<double, 2, 2> A; // declare a real (double) 2x2 matrix A << 0, 2, 1, 0; // defined the matrix A Eigen::EigenSolver<Ei... Add solution -
C++ 2021-09-14 13:36:02
Ascending order of three number without using Loop in c++
#include<iostream>#include <conio.h>using namespace std;int main (){ int n1,n2,n3; cout <<"Enter numbers.\n"; cout<<" first number="; cin>>n1; cout<<"second number="; cin ... Add solution -
C++ 2021-09-14 08:54:04
how to get string length in c++
// string::length #include <iostream> #include <string> int main () { std::string str ("Test string"); std::cout << "The size of str is " << str.length() << " bytes.\n"; return 0; } Add solution