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Kronecker delta. In mathematics, the Kronecker delta (named after Leopold Kronecker) is a function of two variables, usually just non-negative integers. The function is 1 if the variables are equal, and 0 otherwise: or with use of Iverson brackets : For example, because , whereas because . The Kronecker delta appears naturally in many areas of ...
Convair XF-92. Developed into. F-106 Delta Dart. The Convair F-102 Delta Dagger [N 2] was an interceptor aircraft designed and produced by the American aircraft manufacturer Convair. A member of the Century Series, the F-102 was the first operational supersonic interceptor and delta-wing fighter operated by the United States Air Force (USAF).
The Ganges Delta (also known the Ganges-Brahmaputra Delta, the Sundarbans Delta or the Bengal Delta [1]) is a river delta in Eastern South Asia predominantly covering the Bengal region of the subcontinent, consisting of Bangladesh and the Indian state of West Bengal. It is the world's largest river delta [2] [3] and it empties into the Bay of ...
The Delta Jackpot Stakes was an American Thoroughbred horse race run annually at Delta Downs in Vinton, Louisiana between 2002 and 2017. A Grade III stakes open to two-year-old horses, it was raced in November over a distance of 1 + 1 ⁄ 16 miles (8.5 Furlongs ) on dirt.
Single delta potential. The time-independent Schrödinger equation for the wave function ψ(x) of a particle in one dimension in a potential V(x) is. where ħ is the reduced Planck constant, and E is the energy of the particle. The delta potential is the potential. where δ(x) is the Dirac delta function. It is called a delta potential well if ...
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Delta National Forest is a U.S. National Forest in western Mississippi, located in Sharkey County, and has an area of 60,898 acres (246.4 km 2). Delta is operated as the Sunflower Wildlife Management Area. The forest is headquartered in Jackson, as are all six National Forests in Mississippi, but Delta Ranger District office is located in ...
Delta Air Lines Flight 89 was a scheduled flight from Los Angeles International Airport (LAX) to Shanghai Pudong International Airport (PVG). On January 14, 2020, the Boeing 777-200ER conducting the flight had engine problems shortly after takeoff; while returning to the origin airport for an emergency landing, it dumped fuel over populated areas adjacent to the city of Los Angeles, resulting ...