noun
cylindrical coordinates
A coordinate system for three-dimensional space that uses a radial distance, an azimuthal angle, and a height. Used in mathematics, physics, and engineering.
円柱座標では、点の位置を (r, θ, z) で表す。
In cylindrical coordinates, the position of a point is expressed as (r, θ, z).
この
This problem is easier to solve using cylindrical coordinates.