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_-_sp__N__C__Matrix.out
-- -*- M2-comint -*- hash: 12469894123850971209 i1 : A = QQ{x,y,z} o1 = A o1 : NCPolynomialRing i2 : M = ncMatrix {{x, y, z}} o2 = | x y z | o2 : NCMatrix i3 : sigma = ncMap(A,A,{y,z,x}) o3 = NCRingMap A <--- A o3 : NCRingMap i4 : N = ncMatrix {{M},{sigma M}, {sigma sigma M}} o4 = | x y z | | y z x | | z x y | o4 : NCMatrix i5 : -N o5 = | -x -y -z | | -y -z -x | | -z -x -y | o5 : NCMatrix i6 :