main diagonal

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  • noun

Synonyms for main diagonal

the diagonal of a square matrix running from the upper left entry to the lower right entry

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References in periodicals archive ?
Let J be the n x n matrix with ones on the antidiagonal and zeroes elsewhere, and let [x.
Each chromatic pentad also contains three diagonal matrices corresponding to three coordinates and two antidiagonal mass matrices - one for top quark state and the other--for bottom quark state.
Each gustatory pentad contains a single diagonal coordinate matrix and two pairs of antidiagonal mass matrices [6] --these pentads are not needed yet.
Counting the nonzero entries on each antidiagonal on or above the main diagonal gives always exactly N in each case for the parity of r and p.