Squeeze mapping
（重定向自Hyperbolic rotation）
![r = 3/2 squeeze mapping](/Images/godic/202501/19/Squeeze_r=1.5.svg5600.png")
![A squeeze mapping moves one purple hyperbolic sector to another with the same area. It also squeezes blue and green rectangles.](/Images/godic/202501/19/Hyperbolic_sector_squeeze_mapping.svg5600.png")
In linear algebra, a squeeze mapping is a type of linear map that preserves Euclidean area of regions in the Cartesian plane, but is not a rotation or shear mapping.
For a fixed positive real number a, the mapping
is the squeeze mapping with parameter a. Since