heaviside function
61Lorentz transformation — A visualisation of the Lorentz transformation (full animation). Only one space coordinate is considered. The thin solid lines crossing at right angles depict the time and distance coordinates of an observer at rest with respect to that frame; the …
62Lorentz force — This article is about the equation governing the electromagnetic force. For a qualitative overview of the electromagnetic force, see Electromagnetism. For magnetic force of one magnet on another, see force between magnets. Electromagnetism …
63Electrical impedance — Electromagnetism Electricity · …
64Quaternion — Quaternions, in mathematics, are a non commutative extension of complex numbers. They were first described by the Irish mathematician Sir William Rowan Hamilton in 1843 and applied to mechanics in three dimensional space. They find uses in both… …
65Electromagnetic wave equation — The electromagnetic wave equation is a second order partial differential equation that describes the propagation of electromagnetic waves through a medium or in a vacuum. The homogeneous form of the equation, written in terms of either the… …
66Structural dynamics — is a subset of structural analysis which covers the behaviour of structures subjected to dynamic loading. Dynamic loads include people, wind, waves, traffic, earthquakes, and blasts. Any structure can be subject to dynamic loading. Dynamic… …
67Composite image filter — Linear analog electronic filters Network synthesis filters Butterworth filter Chebyshev filter Elliptic (Cauer) filter Bessel filter Gaussian filter Optimum L (Legendre) filter Linkwitz Riley filter …
68James Clerk Maxwell — (1831–1879) Born 13 June 1831 …
69A Dynamical Theory of the Electromagnetic Field — which was written in the year 1864, is the third of James Clerk Maxwell s papers concerned with electromagnetism. It is the paper in which the original set of four Maxwell s equations first appeared. The concept of displacement current that he… …
70List of eponyms — An eponym is a person (real or fictitious) from whom something is said to take its name. The word is back formed from eponymous , from the Greek eponymos meaning giving name . NOTOC Here is a list of eponyms:A B C D E F G H I–J K L–ZA* Achilles,… …
