Question

Which mathematics librery is used for vector manipulation in c++?

Answer 1

// vector::data
#include <iostream>
#include <vector>
int main () {
std::vector<int>
myvector (5);
int* p = myvector.data();
*p = 10;
++p;
*p = 20;
p[2] = 100;
std::cout << "myvector contains:";
for (unsigned i=0; i<myvector.size(); ++i)
std::cout << ' ' << myvector[i];
std::cout << '\n';
return 0;
}