improper orthogonal transformation

improper orthogonal transformation

[im¦präp·ər ȯr¦thäg·ə·nəl ‚tranz·fər′mā·shən]
(mathematics)
An orthogonal transformation such that the determinant of its matrix is -1.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.