text: #include <cmath>
  #include <matplot/matplot.h>
  
  int main() {
      using namespace matplot;
  
      std::vector<double> theta = linspace(0,360,50);
      std::vector<double> rho = transform(theta, [](double t) { return 0.005 * t/10.;});
      std::vector<double> th_radians = deg2rad(theta);
      auto s = polarscatter(th_radians, rho);
  
      wait();
      return 0;
  }