Planarity testing
Singular value decomposition
Planar
Polarization (electrochemistry)
Ground plane
Filter (signal processing)
Projection (relational algebra)
Eigenvalues and eigenvectors
Attenuation
Geometry
Optics
Mathematics
Physics
Algorithm
Computer science
Computer vision
Telecommunications
Chemistry
Computer graphics (images)
Physical chemistry
Combinatorics
Quantum mechanics
Antenna (radio)
