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  2. Limit of a function - Wikipedia

    en.wikipedia.org/wiki/Limit_of_a_function

    e. In mathematics, the limit of a function is a fundamental concept in calculus and analysis concerning the behavior of that function near a particular input which may or may not be in the domain of the function. Formal definitions, first devised in the early 19th century, are given below.

  3. Limit inferior and limit superior - Wikipedia

    en.wikipedia.org/wiki/Limit_inferior_and_limit...

    In this case, the sequence accumulatesaround the two limits. The superior limit is the larger of the two, and the inferior limit is the smaller. The inferior and superior limits agree if and only ifthe sequence is convergent(i.e., when there is a single limit). The limit inferior of a sequence (xn){\displaystyle (x_{n})}is denoted bylim infn→ ...

  4. Banach limit - Wikipedia

    en.wikipedia.org/wiki/Banach_limit

    In mathematical analysis, a Banach limit is a continuous linear functional defined on the Banach space of all bounded complex -valued sequences such that for all sequences , in , and complex numbers : if is a convergent sequence, then . Hence, is an extension of the continuous functional where is the complex vector space of all sequences which ...

  5. Limit (mathematics) - Wikipedia

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

    In mathematics, a limit is the value that a function (or sequence) approaches as the input (or index) approaches some value. [1] Limits are essential to calculus and mathematical analysis, and are used to define continuity, derivatives, and integrals . In formulas, a limit of a function is usually written as.

  6. Real number - Wikipedia

    en.wikipedia.org/wiki/Real_number

    In mathematics, a real number is a number that can be used to measure a continuous one-dimensional quantity such as a distance, duration or temperature.Here, continuous means that pairs of values can have arbitrarily small differences.

  7. e (mathematical constant) - Wikipedia

    en.wikipedia.org/wiki/E_(mathematical_constant)

    e. The number e is a mathematical constant approximately equal to 2.71828 that can be characterized in many ways. It is the base of the natural logarithm function. It is the limit of as n tends to infinity, an expression that arises in the computation of compound interest.

  8. Divisor function - Wikipedia

    en.wikipedia.org/wiki/Divisor_function

    Divisor function. In mathematics, and specifically in number theory, a divisor function is an arithmetic function related to the divisors of an integer. When referred to as the divisor function, it counts the number of divisors of an integer (including 1 and the number itself). It appears in a number of remarkable identities, including ...

  9. 12 of Houston's Most Expensive Restaurants - AOL

    www.aol.com/12-houstons-most-expensive...

    They've got appetizers like Hummus & Blue Corn Chips, salads like the Baked Tofu Salad and Southwestern Salad, Ham & Cheese sandwich, Build Your Own Pizza, and sweets like cookies, pies, and cobblers.