# 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 ?
A is called triangular NSM if it is either neutrosophic soft upper triangular or neutrosophic soft lower triangular matrix.
The multicast metric matrix satisfying theorem 1 is triangular matrix.
Partitioning algorithm can rearrange the disciplines in the same group so as to achieve the purpose of reducing feedback relevance; that is, try to reduce cells where there are correlations among corresponding disciplines represented on the upper triangular part of the discipline subgroup matrix and convert it into a lower triangular matrix as far as possible.
It introduces the notion of "glocalization" in IB studies, arguing that the analytical study of ethnic Chinese entrepreneurship should embrace global business practices, the context of the national economy and local societies that comprise the formal and informal institutions in a triangular matrix.
A is a lower triangular matrix with ones on the main diagonal, while [SIGMA] is a diagonal matrix.
where L is a lower triangular matrix and Q is a unitary matrix.
Then, we invite experts to score the related factors, and construct the fuzzy triangular matrix to get the ultimate weight through to blur and standardization, so that it can makes the actual system situation and the experts' professional knowledge or experience quantitative.
1[less than or equal to]i, j[less than or equal to]n)] with the upper triangular matrix A = [([a.
Now we will use the 1 as a pivot, but since the determinant of a triangular matrix is as easy to compute as that of a diagonal matrix, we will only apply the operation with the pivot to row 3:
T], where L is the lower triangular matrix of W obtained by Cholesky decomposition (W = L[L.
3) The OIRF recursively identifies the structural shocks by using the Choleski decomposition factor of the covariance matrix, which yields a unique lower triangular matrix.

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