In numerical analysis and scientific computing, a sparse matrix or sparse array is a matrix in which most of the elements are zero. There is no strict...
25 KB (3,200 words) - 01:17, 11 September 2024
In mathematics, particularly matrix theory, a band matrix or banded matrix is a sparse matrix whose non-zero entries are confined to a diagonal band, comprising...
8 KB (1,170 words) - 13:59, 5 September 2024
Sparse matrix–vector multiplication (SpMV) of the form y = Ax is a widely used computational kernel existing in many scientific applications. The input...
1 KB (111 words) - 18:28, 12 August 2023
LAPACK defines various matrix representations in memory. There is also Sparse matrix representation and Morton-order matrix representation. According...
4 KB (465 words) - 09:31, 30 March 2024
following equivalent definition is in matrix form. Let V {\displaystyle V} be a p×p symmetric matrix, one can rewrite the sparse PCA problem as max T r ( Σ V )...
16 KB (2,239 words) - 00:15, 20 June 2024
The Sparse Matrix Converter is an AC/AC converter which offers a reduced number of components, a low-complexity modulation scheme, and low realization...
9 KB (1,183 words) - 17:29, 4 May 2022
a hollow matrix may refer to one of several related classes of matrix: a sparse matrix; a matrix with a large block of zeroes; or a matrix with diagonal...
3 KB (422 words) - 00:57, 30 November 2023
adjacency matrix and the time needed to perform operations on them is dependent on the matrix representation chosen for the underlying matrix. Sparse matrix representations...
20 KB (2,461 words) - 04:03, 27 August 2024
In linear algebra, a diagonal matrix is a matrix in which the entries outside the main diagonal are all zero; the term usually refers to square matrices...
17 KB (2,466 words) - 02:48, 13 May 2024
directional gradient of a rasterized matrix. Once a matrix or a high dimensional vector is transferred to a sparse space, different recovery algorithms...
23 KB (3,498 words) - 08:18, 10 September 2024