쌍곡선함수,hyperbolic_function 중 cosh 모양이 현수선임.
cmp 현수면,catenoid - writing
Catenaryhttps://mathworld.wolfram.com/Catenary.html
https://ghebook.blogspot.com/2020/07/catenary-equation.html
https://encyclopediaofmath.org/wiki/Catenary
현수선
Catenaryhttps://planetmath.org/Catenary
https://everything2.com/title/Catenary
{
정적평형,static_equilibrium - 정적 평형,equilibrium ...
Static Equilibrium}
Up: 곡선,curve