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  2. List of electromagnetism equations - Wikipedia

    en.wikipedia.org/wiki/List_of_electromagnetism...

    Continuous charge distribution. The volume charge density ρ is the amount of charge per unit volume (cube), surface charge density σ is amount per unit surface area (circle) with outward unit normal n̂, d is the dipole moment between two point charges, the volume density of these is the polarization density P.

  3. Mega Man X5 - Wikipedia

    en.wikipedia.org/wiki/Mega_Man_X5

    Mega Man X5, known as Rockman X5 (ロックマンX5) in Japan, is a 2000 action-platform game and the fifth main installment in the Mega Man X series. Developed by Capcom, it was first released for the PlayStation in Japan on November 30, 2000, and in North America and PAL territories the following year.

  4. List of equations - Wikipedia

    en.wikipedia.org/wiki/List_of_equations

    Kirchhoff's diffraction formula; Klein–Gordon equation; Korteweg–de Vries equation; Landau–Lifshitz–Gilbert equation; Lane–Emden equation; Langevin equation; Levy–Mises equations; Lindblad equation; Lorentz equation; Maxwell's equations; Maxwell's relations; Newton's laws of motion; Navier–Stokes equations; Reynolds-averaged ...

  5. List of mathematical functions - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_functions

    Sigma function: Sums of powers of divisors of a given natural number. Euler's totient function: Number of numbers coprime to (and not bigger than) a given one. Prime-counting function: Number of primes less than or equal to a given number. Partition function: Order-independent count of ways to write a given positive integer as a sum of positive ...

  6. List of Mega Man characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Mega_Man_characters

    Sigma was referenced in an episode of the 1994 cartoon, where X, Vile, and Spark Mandrill travel back in time, with his name being spelled as Cigma. He also appears in a short unlockable OVA in Mega Man Maverick Hunter X, "The Day of Σ", which depicts the Maverick Hunters prior to the events of the first Mega Man X game under Sigma's command ...

  7. Sigma (Mega Man X) - Wikipedia

    en.wikipedia.org/wiki/Sigma_(Mega_Man_X)

    Sigma (Japanese: シグマ, Hepburn: Shiguma) is a fictional character and the main antagonist of the Mega Man X video game series. Created by Dr. Cain, Sigma was considered the finest of the Reploids and was the first leader of the Maverick Hunters, peacekeeping androids who defend humans against their renegade counterparts.

  8. List of dimensionless quantities - Wikipedia

    en.wikipedia.org/wiki/List_of_dimensionless...

    This is a list of well-known dimensionless quantities illustrating their variety of forms and applications. The tables also include pure numbers, dimensionless ratios, or dimensionless physical constants; these topics are discussed in the article.

  9. Sigma approximation - Wikipedia

    en.wikipedia.org/wiki/Sigma_approximation

    Animation of the additive synthesis of a square wave with an increasing number of harmonics by way of the σ-approximation with p=1. In mathematics, σ-approximation adjusts a Fourier summation to greatly reduce the Gibbs phenomenon, which would otherwise occur at discontinuities.