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  2. Abel's identity - Wikipedia

    en.wikipedia.org/wiki/Abel's_identity

    In mathematics, Abel's identity (also called Abel's formula [1] or Abel's differential equation identity) is an equation that expresses the Wronskian of two solutions of a homogeneous second-order linear ordinary differential equation in terms of a coefficient of the original differential equation.

  3. Reduction of order - Wikipedia

    en.wikipedia.org/wiki/Reduction_of_order

    Reduction of order (or d’Alembert reduction) is a technique in mathematics for solving second-order linear ordinary differential equations.It is employed when one solution () is known and a second linearly independent solution () is desired.

  4. Inverse Symbolic Calculator - Wikipedia

    en.wikipedia.org/wiki/Inverse_Symbolic_Calculator

    A user will input a number and the Calculator will use an algorithm to search for and calculate closed-form expressions or suitable functions that have roots near this number. Hence, the calculator is of great importance for those working in numerical areas of experimental mathematics. The ISC contains 54 million mathematical constants.

  5. Pairing function - Wikipedia

    en.wikipedia.org/wiki/Pairing_function

    More generally, a pairing function on a set is a function that maps each pair of elements from into an element of , such that any two pairs of elements of are associated with different elements of , [5] [a] or a bijection from to .

  6. Haplogroup Y - Wikipedia

    en.wikipedia.org/wiki/Haplogroup_Y

    Haplogroup Y has been divided into two primary subclades, Y1 and Y2. In a study published in 2016, mtDNA haplogroup Y1a was observed in an Ulchi sampled in Nizhniy Gavan, Lower Amur, whereas mtDNA haplogroup Y2a1 was observed in an Igorot from Mountain Province, Luzon Island, Philippines (sampled in Singapore) and in a Hawaiian.

  7. Liang–Barsky algorithm - Wikipedia

    en.wikipedia.org/wiki/Liang–Barsky_algorithm

    In computer graphics, the Liang–Barsky algorithm (named after You-Dong Liang and Brian A. Barsky) is a line clipping algorithm. The Liang–Barsky algorithm uses the parametric equation of a line and inequalities describing the range of the clipping window to determine the intersections between the line and the clip window.

  8. Trump’s 2024 victory revealed voter shifts that could reshape ...

    www.aol.com/trump-2024-victory-revealed-voter...

    President-elect Donald Trump won across the map — improving on Republican margins nearly everywhere and delivering on his promises to win over more non-White voters on his way to defeating Vice ...

  9. Line–line intersection - Wikipedia

    en.wikipedia.org/wiki/Line–line_intersection

    In order to find the intersection point of a set of lines, we calculate the point with minimum distance to them. Each line is defined by an origin a i and a unit direction vector n̂ i . The square of the distance from a point p to one of the lines is given from Pythagoras: