एक मेट्रिक्स A = [ a(ij)](nxxn) सममित ...

एक मेट्रिक्स `A = [ a_(ij)]_(nxxn)` सममित है , यदि
(a) `a_(ij) = 0 `
(b) `a_(ij) = - a_(ji)`
(c ) `a_(ij) = a_(ji)`
(d ) `a_(ij) = 1 `

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