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  2. Inverse-square law - Wikipedia

    en.wikipedia.org/wiki/Inverse-square_law

    German astronomer Johannes Kepler discussed the inverse-square law and how it affects the intensity of light. In proposition 9 of Book 1 in his book Ad Vitellionem paralipomena, quibus astronomiae pars optica traditur (1604), the astronomer Johannes Kepler argued that the spreading of light from a point source obeys an inverse square law: [15] [16]

  3. Maxwell's equations - Wikipedia

    en.wikipedia.org/wiki/Maxwell's_equations

    In the differential form formulation on arbitrary space times, F = ⁠ 1 / 2 ⁠ F αβ ‍ dx α ∧ dx β is the electromagnetic tensor considered as a 2-form, A = A α dx α is the potential 1-form, = is the current 3-form, d is the exterior derivative, and is the Hodge star on forms defined (up to its orientation, i.e. its sign) by the ...

  4. Exercise (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Exercise_(mathematics)

    Later most exercises involve at least two digits. A common exercise in elementary algebra calls for factorization of polynomials. Another exercise is completing the square in a quadratic polynomial. An artificially produced word problem is a genre of exercise intended to keep mathematics relevant. Stephen Leacock described this type: [1]

  5. List of numerical analysis topics - Wikipedia

    en.wikipedia.org/wiki/List_of_numerical_analysis...

    Ensemble forecasting — produce multiple numerical predictions from slightly initial conditions or parameters; Bond fluctuation model — for simulating the conformation and dynamics of polymer systems; Iterated filtering; Metropolis light transport; Monte Carlo localization — estimates the position and orientation of a robot

  6. Mathematical analysis - Wikipedia

    en.wikipedia.org/wiki/Mathematical_analysis

    Numerical analysis is the study of algorithms that use numerical approximation (as opposed to general symbolic manipulations) for the problems of mathematical analysis (as distinguished from discrete mathematics). [25] Modern numerical analysis does not seek exact answers, because exact answers are often impossible to obtain in practice.

  7. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/projects/dying-to-be...

    After introducing medically assisted treatment in 2013, Seppala saw Hazelden’s dropout rate for opiate addicts in the new revamped program drop dramatically. Current data, which covers between January 1, 2013 and July 1, 2014, shows a dropout rate of 7.5 percent compared with the rate of 22 percent for the opioid addicts not in the program.

  8. Fresnel equations - Wikipedia

    en.wikipedia.org/wiki/Fresnel_equations

    For common glass (n 2 ≈ 1.5) surrounded by air (n 1 = 1), the power reflectance at normal incidence can be seen to be about 4%, or 8% accounting for both sides of a glass pane. Brewster's angle [ edit ]

  9. Download, install, or uninstall AOL Desktop Gold - AOL Help

    help.aol.com/articles/aol-desktop-downloading...

    1. Search your inbox for the subject line 'Get Started with AOL Desktop Gold'. 2. Open the email. 3. Click Download AOL Desktop Gold or Update Now. 4. Navigate to your Downloads folder and click Save. 5. Follow the installation steps listed below.