| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
of a matrix : such that the element in the r th row and s th column is the negative of the element in the s th row and r th column
| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
of a matrix : such that the element in the r th row and s th column is the negative of the element in the s th row and r th column
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012