—that is, the product of the same vectors, but in reverse order. In mathematics, a rotor in the geometric algebra of a vector space V is the same thing as...

Look up rotor in Wiktionary, the free dictionary. Rotor may refer to: Rotor (electric), the non-stationary part of an alternator or electric motor, operating...

transformation for each letter can be specified mathematically as a product of permutations. Assuming a three-rotor German Army/Air Force Enigma, let P denote...

Ultra. The Enigma machines were a family of portable cipher machines with rotor scramblers. Good operating procedures, properly enforced, would have made...

In rotordynamics, the rigid rotor is a mechanical model of rotating systems. An arbitrary rigid rotor is a 3-dimensional rigid object, such as a top....

In cryptography, a rotor machine is an electro-mechanical stream cipher device used for encrypting and decrypting messages. Rotor machines were the cryptographic...

theory is a theory describing a mathematical model of an ideal actuator disk, such as a propeller or helicopter rotor, by W.J.M. Rankine (1865), Alfred...

engine's rotor, which creates the turning motion, is similar in shape to a Reuleaux triangle, with the sides having less curvature. The rotor spins inside...

Arturo Belleza Rotor (June 7, 1907 – April 9, 1988) was a Filipino medical doctor, civil servant, musician, and writer. Rotor was born in the Philippines...

Emma Unson Rotor (May 18, 1913 – September 6, 1998) was a Filipino-American physicist and mathematician whose pioneering work during World War II significantly...

In vector calculus, the curl, also known as rotor, is a vector operator that describes the infinitesimal circulation of a vector field in three-dimensional...

The Hebern Rotor Machine was an electro-mechanical encryption machine built by combining the mechanical parts of a standard typewriter with the electrical...

asynchronous motor is an AC electric motor in which the electric current in the rotor that produces torque is obtained by electromagnetic induction from the magnetic...

magnetic field, and an inside rotor attached to the output shaft producing a second rotating magnetic field. The rotor magnetic field may be produced...

electrical mobility of a charged particle the rotor advance ratio, the ratio of aircraft airspeed to rotor-tip speed in rotorcraft the pore water pressure...

discovering the wiring of the rotors. To do this, according to historian David Kahn, he pioneered the use of pure mathematics in cryptanalysis. Previous...

rotational freedom. The axle of the spinning wheel (the rotor) defines the spin axis. The rotor is constrained to spin about an axis, which is always perpendicular...

relatively low disk loading are typically called rotors, including helicopter main rotors and tail rotors; propellers typically have a higher disk loading...

five rotors was termed the cipher rotors (Army) or alphabet maze (Navy) and each rotor had 26 contacts. This assembly acted similarly to other rotor machines...

Rotordynamics (or rotor dynamics) is a specialized branch of applied mechanics concerned with the behavior and diagnosis of rotating structures. It is...

polyalphabetic substitution, and a kind of "additive" substitution. In rotor machines, several rotor disks provided polyalphabetic substitution, while plug boards...

entity such as a rotor. The energy consists of static pressure, gravitational potential energy, and kinetic energy. Mathematically, we have the following...

following list features abbreviated names of mathematical functions, function-like operators and other mathematical terminology. This list is limited to abbreviations...

quality results, the RF engineer needs to have an in-depth knowledge of mathematics, physics and general electronics theory as well as specialized training...

known as Adonis was an off-line non-reciprocal rotor encryption machine.: p.33ff  The KL-7 had rotors to encrypt the text, most of which moved in a complex...

achievements in mathematics. These include mathematical research, mathematics education,: xii  the history and philosophy of mathematics, public outreach...

The rotor lodging with the cams and first rotor Top view of a NEMA rotor pair. Electrical rotor "F." Bottom view of a NEMA rotor pair. Drive rotor "18...

the heat generated by air friction (even in ultracentrifuges, where the rotor operates in a good vacuum), and the frequent necessity of maintaining samples...

a square, the Reuleaux triangle is also sometimes known as the Reuleaux rotor. The Reuleaux triangle is the first of a sequence of Reuleaux polygons whose...

is the name of a Cold War-era Soviet cipher machine. A rotor machine, the device uses 10 rotors, each with 30 contacts along with mechanical pins to control...