i1 : f = map(ZZ^2 ++ ZZ^2, ZZ^2, {{1,2},{3,4},{5,6},{7,8}}) o1 = | 1 2 | | 3 4 | | 5 6 | | 7 8 | 4 2 o1 : Matrix ZZ <--- ZZ |
i2 : f^[0] o2 = | 1 2 | | 3 4 | 2 2 o2 : Matrix ZZ <--- ZZ |
i3 : f^[1] o3 = | 5 6 | | 7 8 | 2 2 o3 : Matrix ZZ <--- ZZ |
i4 : f^[1,0] o4 = | 5 6 | | 7 8 | | 1 2 | | 3 4 | 4 2 o4 : Matrix ZZ <--- ZZ |