# symmetric matrix

- a matrix with the lower-left half equal to the mirror image of the upper-right half; a matrix that is its own transpose.

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# symmetric matrix

- maths a square matrix that is equal to its transpose, being symmetrical about its main diagonal. A skew symmetric matrix is equal to the negation of its transposeCompare orthogonal matrix

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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