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TopoZone. TopoZone is a website operated by Locality LLC that offers free online topographic maps. It was founded in November 1999 by Ed McNierney whose company Maps a la carte, Inc. operated out of North Chelmsford, Massachusetts. Prior to founding the company, McNierney, an organic chemistry graduate of Dartmouth College, was chief technology ...
The Leopard 2 is a third generation German main battle tank (MBT). Developed by Krauss-Maffei in the 1970s, the tank entered service in 1979 and replaced the earlier Leopard 1 as the main battle tank of the West German army. Various iterations of the Leopard 2 continue to be operated by the armed forces of Germany, as well as 13 other European ...
L2 is the third-newest Metro line in the network, after L11 and the combined L9/L10. All of its stations are underground. The formation of the modern L2 first began in 1968, when construction commenced to extend the original line II from Sagrada Família station to Poble Sec station, with expected completion in 1971. However, poor planning ...
L2 Inc is a subscription research and business intelligence firm that benchmarks the digital competence of consumer brands. The company evaluates more than 2,200 brands annually, analyzing their website, e-commerce, digital marketing , social media, and mobile executions, and then ranks within each industry.
L2 (music group) L2 is a pop duo consisting of New York City based sisters Melissa Labbadia, 22, and Jessica Labbadia, 19. Their music has been featured on many popular celebrity sites, and they have had two singles on the Billboard Hot Dance/Club chart. L2.
Sequence space. In functional analysis and related areas of mathematics, a sequence space is a vector space whose elements are infinite sequences of real or complex numbers. Equivalently, it is a function space whose elements are functions from the natural numbers to the field K of real or complex numbers.
Square-integrable function. In mathematics, a square-integrable function, also called a quadratically integrable function or function or square-summable function, [1] is a real - or complex -valued measurable function for which the integral of the square of the absolute value is finite. Thus, square-integrability on the real line is defined as ...
the space of sequences whose series are absolutely convergent, ℓ 2 , {\displaystyle \ell ^ {2},} the space of square-summable sequences, which is a Hilbert space, and. ℓ ∞ , {\displaystyle \ell ^ {\infty },} the space of bounded sequences. The space of sequences has a natural vector space structure by applying addition and scalar ...