triangular matrix

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triangular matrix

[trī′aŋ·gyə·lər ′mā·triks]
(mathematics)
A matrix where either all entries above or all entries below the principal diagonal are zero.
References in periodicals archive ?
The wraparound glass faade and wood accents couldnt be more different in materiality from the concrete shell of the 14-storey Robarts, yet a thematic relationship exists between the famously triangular form of Robarts and the faceted shapes shape of the Common.
It features an iconic triangular form with an innovative parabolic reflector with an integrated speaker on top of the PC for superb, 360-degree sound to fill a room with crisp audio.
For equipping the second booth, the Italian system manufacturer SAT-Trevisan planned a new type of booth housing in a triangular form with the redirection unit at the corner point.
The project, to be built in an entirely triangular form pointing toward the sky, is poised to become a major city landmark with its stunning contemporary architecture and offers occupants generously spacious areas on each floor.
The triangular form is not very explicable either, as at that time the circumnavigation of South America had not been completed and the maker of the globe appears to have anticipated later knowledge.
The Blade Glider's triangular form is a case study in aerodynamics.
The triangular form acknowledges the three articles of the Treaty of Waitangi, Habermas's three ways of knowing and the nurse-client-empowerment model.
Chernozatonskaya captures a more general sense of anomaly in the inchoate, pocked, stained, and otherwise matter-spattered, slate- and earth-toned fields of "Tocka" (between boredom and longing), evoking an underwater land mass of heavy, loosely triangular form from which you can read many stories, as with a cloud.
Once cut, a specialist pressing tool develops the triangular form of the Torch and the pressed material is then welded with a clean, smooth join and the end caps fitted to create the apparently seamless form.
According to the arraignment sheet, the passenger smuggled two plastic pouches in a shoe sole, two other pieces were taped together in a triangular form and there was another single pouch.
Due to the triangular form of the extra term in (2), L([lambda]) (4) has the highest weight vector [v.
He also describes the response of the US, including recent international financial, trade and investment policy, domestic economic policy responses to international competition, and the future of the role of America as leader in what has become a triangular form of leadership.