- dual problems
- • обратна задача
English-Bulgarian polytechnical dictionary . 2013.
dual problems
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Dual problem — In constrained optimization, it is often possible to convert the primal problem (i.e. the original form of the optimization problem) to a dual form, which is termed a dual problem. Usually dual problem refers to the Lagrangian dual problem but… … Wikipedia
Dual-tone multi-frequency — (DTMF) signaling is used for telephone signaling over the line in the voice frequency band to the call switching center. The version of DTMF used for telephone tone dialing is known by the trademarked term Touch Tone (canceled March 13, 1984),… … Wikipedia
Dual energy X-ray absorptiometry — (DXA, previously DEXA) is a means of measuring bone mineral density (BMD). Two X ray beams with differing energy levels are aimed at the patient s bones. When soft tissue absorption is subtracted out, the BMD can be determined from the absorption … Wikipedia
Dual diagnosis — This article is about co occurring mental disorder and substance abuse. For the general definition of any two diagnoses together, see Comorbidity. The term dual diagnosis is used to describe the comorbid condition of a person considered to be… … Wikipedia
Dual gauge — Track gauge by size Broad gauge Sta … Wikipedia
Dual education system — A dual education system combines apprenticeships in a company and vocational education at a vocational school in one course. This system is practiced in several countries, notably Germany, Austria, Bosnia and Herzegovina, Croatia, Serbia,… … Wikipedia
Dual polyhedron — The dual of a cube is an octahedron, shown here with vertices at the cube face centers … Wikipedia
Dual mandate — A dual mandate is the practice in which elected officials served in more than one elected or other public position simultaneously. This practice is known as double jobbing in Britain and distinguished from double dipping in the United States… … Wikipedia
Dual enrollment — In education, dual enrollment (DE) involved students being enrolled in two separate, academically related institutions. It may also refer to any individual who is participating in two related programs, but such a general form of usage is uncommon … Wikipedia
Dual-energy X-ray absorptiometry — Not to be confused with Bone scan. Dual energy X ray absorptiometry Intervention A scanner used to measure bone density with dual energy X ray absorptiometry. ICD 9 CM … Wikipedia
Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… … Wikipedia
