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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Akhenaton Museum takes a triangular form resembling the Great Pyramids of Giza - ET When did the museum's construction works begin?
The researchers found that the classic triangular form in which land area uniformly decreases as elevation increases only applies to roughly one-third of the world's mountain ranges.
In the paper "Fault Diagnosis of Nonlinear Uncertain Systems with Triangular Form," Q.
Furthermore, the left reducible matrix S, obviously, must be selected of the upper triangular form. We shall show how by the given matrix A(x) and by the left reducible matrix S we can find the matrix B(x) of the form (2) and the right reducible matrix R(x) such that A(x) [approximately equal to] B(x) = SA(x)R(x).
Based on the common Lyapunov function approach, the existing designs of switched nonlinear systems were restricted to triangular form under arbitrary switchings via backstepping or forwarding method [7, 8, 10].
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.CENTRO HOTELS BY ROTANA Centro Hotels by Rotana is a lifestyle brand that offers convenience, style and comfort for the smart traveller on a budget.
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 Japanese automaker's exhibit will be headlined by the unveiling of its next-generation electric vehicle concept, the Blade Glider.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.