#include #include #include using namespace std; using namespace Latan; int main(void) { constexpr double a = 1., b = 10.; DoubleFunction f1([a](const double *x){return a*(1.-x[0]);}, 2); DoubleFunction f2([b](const double *x){return b*(x[1]-x[0]*x[0]);}, 2); vector system = {&f1, &f2}; GslHybridRootFinder solve; DVec init(2), x; solve.setVerbosity(Solver::Verbosity::Debug); init(0) = -10.; init(1) = -5.; solve.setInit(init); x = solve(system); cout << "solution: " << x.transpose() << endl; return 0; }