i1 : R = ZZ/101[x,y]; |
i2 : random(R^{1,2,3},R^{1,2,3}) o2 = {-1} | -45 0 0 | {-2} | -39x-19y -23 0 | {-3} | 47x2+21xy-48y2 15x-34y -20 | 3 3 o2 : Matrix R <--- R |
i3 : random(ZZ^3,ZZ^6,MaximalRank=>true) o3 = | 2942725 2824835043 10077744163 70967747213 288122661 90702640192 | | 2249129 2159028060 7702443606 54240816385 220212824 69324241584 | | 907292 870944554 3107139449 21880560114 88833103 27965162333 | 3 6 o3 : Matrix ZZ <--- ZZ |
i4 : random(ZZ^3,ZZ^10,Density=>.3) o4 = | 0 0 0 7 0 0 0 0 0 3 | | 0 0 0 0 2 7 0 9 0 0 | | 0 0 0 8 0 5 9 5 0 0 | 3 10 o4 : Matrix ZZ <--- ZZ |
i5 : random(ZZ^6,ZZ^6,UpperTriangular=>true) o5 = | 0 4 9 2 9 8 | | 0 0 6 6 0 4 | | 0 0 0 3 8 1 | | 0 0 0 0 3 4 | | 0 0 0 0 0 0 | | 0 0 0 0 0 0 | 6 6 o5 : Matrix ZZ <--- ZZ |