shoelace formula

短语

词形变化

the shoelace formula

释义与例句

name
  1. 1.

    An algorithm to determine the area of a simple polygon whose vertices are described by their Cartesian coordinates in the plane.

    数学

词源

So called because the constant cross-multiplying for the coordinates making up the polygon is analogous to the threading of shoelaces.

来源：wiktionary