#include int main() { using namespace matplot; auto t = iota(0, pi / 50, 10 * pi); auto st = transform(t, [](double t) { return sin(t); }); auto ct = transform(t, [](double t) { return cos(t); }); plot3(st, ct, t); zlim({0, 40}); zticks(iota(0, 8, 40)); zticks(automatic); show(); return 0; }