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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 ...
Delta Force bodyguards in civilian clothing providing close protection to General Norman Schwarzkopf during the Gulf War, 1991. Delta Force was created in 1977 after numerous well-publicized terrorist incidents led the U.S. government to develop a full-time counter-terrorism unit. Key military and government figures had already been briefed on ...
Delta ( / ˈdɛltə /; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, [ˈðelta]) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals it has a value of 4. It was derived from the Phoenician letter dalet 𐤃. [3] Letters that come from delta include Latin D and Cyrillic Д .
Sacramento–San Joaquin Delta was designated a National Heritage Area on March 12, 2019. The city of Stockton is located on the San Joaquin River at the eastern edge of the delta. The total area of the Delta, including both land and water, is about 1,100 square miles (2,800 km 2 ). Its population is around 500,000.
The Delta Regional Authority ( DRA) is a Federal - State partnership whose mission it is to improve the quality of life for the residents of the Mississippi Delta. The Delta Regional Authority serves 252 counties and parishes in parts of eight states: Alabama, Arkansas, Illinois, Kentucky, Louisiana, Mississippi, Missouri, and Tennessee.
The Nile Delta ( Arabic: دلتا النيل, Delta an-Nīl or simply الدلتا, ad-Delta) is the delta formed in Lower Egypt where the Nile River spreads out and drains into the Mediterranean Sea. [1] It is one of the world's larger deltas—from Alexandria in the west to Port Said in the east, it covers 240 km (150 mi) of Mediterranean ...
Delta purchased the aircraft at a steep discount: $19.6m each, well below their $33.2m production cost, which led Boeing to accuse the company of dumping the aircraft. Delta would later increase its order to a total of 145 A220 aircraft. For its wide-body fleet, Delta acquired 25 Airbus A330neo and 42 of the newly introduced Airbus A350 ...
The Delta rocket family was a versatile range of American rocket -powered expendable launch systems that provided space launch capability in the United States from 1960 to 2024. Japan also launched license-built derivatives ( N-I, N-II, and H-I) from 1975 to 1992. More than 300 Delta rockets were launched with a 95% success rate.