súradník

Súradník is a Czech word that translates to "coordinate" in English. In mathematics, a súradník refers to a value used to define the position of a point in a coordinate system. The most common coordinate system is the Cartesian coordinate system, which uses two or three súradník (x, y, and sometimes z) to locate a point in a plane or space, respectively. These values represent the distances along perpendicular axes.

The concept of súradník extends beyond the Cartesian system. In polar coordinates, a point's position is defined by a radial distance from a central point and an angle from a reference direction. In spherical coordinates, three súradník are used: radial distance, polar angle, and azimuthal angle. In geography, súradník are used to specify locations on the Earth's surface, typically using latitude and longitude. Latitude measures a point's angular distance north or south of the equator, while longitude measures its angular distance east or west of the prime meridian.

The term súradník is fundamental in various fields including geometry, physics, engineering, and navigation. It allows for precise description and measurement of spatial relationships and positions, enabling calculations, mapping, and the development of complex systems. The plural form of súradník is súradnice, meaning "coordinates."