ring r= 32003,(x,y,z),lp;
ideal id = x,y,z;
id;
ideal id2 = 3, id;
id2;
ideal id3 = id[1], id[2], id[3];
id3;
id;
matrix m[3][2] = id;
m;
ideal id4=id+id;
id4;
ideal id5=id+id2;
id5;
ideal id6=id*id;
id6;
ideal id7=maxideal(10);
id7;
LIB "tst.lib";tst_status(1);$;