principal diagonal


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principal diagonal

n.
The diagonal in a square matrix that goes from the upper left corner to the lower right corner.
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Noun1.principal diagonal - the diagonal of a square matrix running from the upper left entry to the lower right entry
diagonal - an oblique line of squares of the same color on a checkerboard; "the bishop moves on the diagonals"
References in periodicals archive ?
071 (a) Group means are along the principal diagonal.
These eigen values are ordered in descending sequence along the principal diagonal of the matrix [A.
05 (a) Group Means are along principal diagonals (b) Differences among group means are above the principal diagonals (c) t-values are below the principal diagonals.

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