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  2. Tangent vector - Wikipedia

    en.wikipedia.org/wiki/Tangent_vector

    In mathematics, a tangent vector is a vector that is tangent to a curve or surface at a given point. Tangent vectors are described in the differential geometry of curves in the context of curves in R n.

  3. Method of undetermined coefficients - Wikipedia

    en.wikipedia.org/wiki/Method_of_undetermined...

    Consider a linear non-homogeneous ordinary differential equation of the form = + (+) = where () denotes the i-th derivative of , and denotes a function of .. The method of undetermined coefficients provides a straightforward method of obtaining the solution to this ODE when two criteria are met: [2]

  4. Iloilo City - Wikipedia

    en.wikipedia.org/wiki/Iloilo_City

    Poverty incidence of Iloilo City 2.5 5 7.5 10 12.5 15 2006 4.90 2009 7.57 2012 5.98 2015 13.51 2018 3.48 2021 3.30 Source: Philippine Statistics Authority Panoramic view of Iloilo City's downtown area in Iloilo City Proper Iloilo City has the second-largest economy in the Visayas, after Cebu City, with a gross domestic product (GDP) of ₱145.05 billion in 2022. It is the hub for trade ...

  5. Cauchy–Euler equation - Wikipedia

    en.wikipedia.org/wiki/Cauchy–Euler_equation

    Let y (n) (x) be the nth derivative of the unknown function y(x).Then a Cauchy–Euler equation of order n has the form () + () + + =. The substitution = (that is, = ⁡ (); for <, in which one might replace all instances of by | |, extending the solution's domain to {}) can be used to reduce this equation to a linear differential equation with constant coefficients.

  6. La casa de los famosos season 4 - Wikipedia

    en.wikipedia.org/wiki/La_casa_de_los_famosos...

    The fourth season of the American Spanish-language reality television series La casa de los famosos premiered on January 23, 2024, with a live move-in on Telemundo. [1] [2] The show follows a group of celebrities living in a house together while being constantly filmed with no communication with the outside world as they compete to be the last competitor remaining to win the grand prize of ...