main diagonal


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Related to main diagonal: principal diagonal

main diagonal

[¦mān dī′ag·ən·əl]
(mathematics)

main diagonal

A diagonal member of a web, joining the top and bottom chords of a truss.
References in periodicals archive ?
The refined Lee filter with the window 7x7 is used to eliminate the noise and main diagonal elements of the polarimetric coherency matrix such as [T11,T22,T33], and span images are extracted.
This remains true for any submatrix whose lower-left corner intersects the main diagonal,
n]) on the main diagonal of P as its profile, and note that there are [2.
where I is identity matrix, its main diagonal elements are 1 and all other elements are zeros.
Essentially, maximization of the dominance index is achieved by finding a permutation that maximizes the sum of confusion elements above the main diagonal.
And the numbers in each main diagonal add up to 15.
The number of full cells between an (m, n)-Dyck path n and the main diagonal is denoted area(II).
n] on the main diagonal of A and hence are always real.
Note that we do not require the matrix to be symmetric here, we only assume (for simplicity) that the same pattern of nonzero off diagonals is present on either side of the main diagonal.
The idea is to take N sets of consecutive numbers 1 to N and place them in an N x N rectangular array so that no number is repeated in any row, column or main diagonal.
1] be the portion of T above and including the main diagonal, hence of shifted truncated shape [[delta].
The entries above the main diagonal were constructed just as the main diagonal entries were, except that the standard deviation was 1/10 instead of 1.