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  • and either the diagonal above or the diagonal below. This means there are exactly two non-zero diagonals in the matrix. When the diagonal above the main...
    2 KB (327 words) - 07:58, 29 August 2024
  • Thumbnail for Wide-angle lens
    equal to the length of the diagonal of the image frame or digital photosensor. In cinematography, a lens of roughly twice the diagonal is considered "normal"...
    12 KB (1,561 words) - 05:37, 4 February 2024
  • (also called a C-matrix) is a square matrix C with 0 on the diagonal and +1 and −1 off the diagonal, such that CTC is a multiple of the identity matrix I...
    11 KB (1,669 words) - 06:41, 15 June 2024
  • Thumbnail for Sander illusion
    Wayback Machine. The diagonal line bisecting the larger, left-hand parallelogram appears to be considerably longer than the diagonal line bisecting the...
    1 KB (132 words) - 03:12, 29 April 2024
  • Thumbnail for Gable
    curves (Dutch gable) or horizontal steps (crow-stepped gable) may hide the diagonal lines of the roof. Gable ends of more recent buildings are often treated...
    7 KB (674 words) - 20:23, 25 February 2024
  • Thumbnail for Diagonal band of Broca
    The diagonal band of Broca interconnects the amygdala and the septal area. It is one of the olfactory structures. It is situated upon the inferior aspect...
    5 KB (493 words) - 14:43, 26 April 2024
  • Thumbnail for Diagonal
    X×X of any set X with itself, consisting of all pairs (x,x), is called the diagonal, and is the graph of the equality relation on X or equivalently the graph...
    10 KB (1,306 words) - 18:32, 1 September 2024
  • Thumbnail for Catalan number
    the edges of a grid with n × n square cells, which do not pass above the diagonal. A monotonic path is one which starts in the lower left corner, finishes...
    38 KB (5,797 words) - 18:42, 20 August 2024
  •  form a basis consisting of eigenvectors of T {\displaystyle T} , and the diagonal entries of D {\displaystyle D}  are the corresponding eigenvalues of...
    27 KB (4,688 words) - 17:10, 5 September 2024
  • predicted class, or vice versa – both variants are found in the literature. The diagonal of the matrix therefore represents all instances that are correctly predicted...
    15 KB (1,664 words) - 17:46, 3 August 2024
  • Thumbnail for Diagonal method
    The diagonal method (DM) is a rule of thumb in photography, painting and drawing. Dutch photographer and lecturer Edwin Westhoff discovered the method...
    5 KB (741 words) - 18:56, 23 July 2024
  • Thumbnail for Vertex (geometry)
    polygon vertex xi of a simple polygon P is a principal polygon vertex if the diagonal [x(i − 1), x(i + 1)] intersects the boundary of P only at x(i − 1) and...
    8 KB (911 words) - 17:54, 27 August 2024
  • matrix is a square matrix where all the entries are zero except those on the diagonal going from the lower left corner to the upper right corner (↗), known...
    4 KB (510 words) - 22:02, 15 March 2024
  • Thumbnail for Vault (architecture)
    introducing intermediate ribs between the wall rib and the diagonal rib and between the diagonal and the transverse ribs; and in order to meet the thrust...
    45 KB (6,276 words) - 08:56, 25 April 2024
  • , where L is lower triangular with ones on the diagonal, U is upper triangular with ones on the diagonal, and D is a diagonal matrix. Related: the LUP...
    26 KB (3,580 words) - 17:05, 12 March 2024
  • Thumbnail for Golden triangle (composition)
    be used: 1. Filling one of the triangles with the subject 2. Placing the diagonal elements so that they run along two of the lines Photoshop has an option...
    2 KB (193 words) - 06:15, 12 June 2024
  • Thumbnail for Referee (association football)
    responsibility used by football match officials throughout the world is known as the Diagonal system of control (DSC). The referee has final decision-making authority...
    27 KB (3,266 words) - 13:26, 5 September 2024
  • from an Identity matrix only in the elements of a single row preceding the diagonal entry of that row (as opposed to the above definition which has the matrix...
    3 KB (505 words) - 14:51, 31 August 2024
  • diagonally dominant if, for every row of the matrix, the magnitude of the diagonal entry in a row is greater than or equal to the sum of the magnitudes...
    6 KB (904 words) - 12:48, 17 April 2024
  • Thumbnail for Theorem of the gnomon
    parallelogram A B C D {\displaystyle ABCD} with a point P {\displaystyle P} on the diagonal A C {\displaystyle AC} , the parallel to A D {\displaystyle AD} through...
    8 KB (1,138 words) - 04:45, 5 August 2024
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