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 diptychs Synthetic Geometry and Incidence (all works 2014) evince Van-DerBeek's manipulation of light and shadow cast over the volumes of a parallelogram and a triangular form, respectively, to produce soft edges, subtle contrasts, and flattened picture planes.
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.
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.
Display of the same sequence in the triangular form is;
With the exhibition held 8m high on 10 conical pilotis, Phaeno could be seen as an equivalent to Herzog and de Meuron's Barcelona Forum (AR September 2004) as both buildings compress a public space between artificial ground and an elevated triangular form.
The triangular form observatory is clad in black-painted steel panels, which will reflect the heavens.