#include int main() { using namespace matplot; auto x = linspace(0, 6 * pi); auto y = transform(x, [](double x) { return sin(x); }); plot(x, y); xlim({0, 6 * pi}); xticks(iota(0, pi, 6 * pi)); xticklabels({"0", "π", "2π", "3π", "4π", "5π", "6π"}); show(); return 0; }