LIB "tst.lib"; tst_init(); LIB "matrix.lib"; ring r=(0,a,b),(A,B,C),dp; matrix m[6][8]= 0, 0, b*B, -A,-4C,2A,0, 0, 2C,-4C,-A,B, 0, B, 3B,AB, 0,a*A, 0, 0, B, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2A, 0, 0, 0, 0, 0, 0, 2b, A, 0, 0, 0, 0, 0, 0, 0, 2a;""; print(rowred(m));""; list L=rowred(m,1); print(L[1]); print(L[2]); tst_status(1);$