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D.15.25.51 lll

Procedure from library multigrading.lib (see multigrading_lib).

Example:
 
LIB "multigrading.lib";
ring R = 0,x,dp;
intmat m[5][5] =
13,25,37,83,294,
12,-33,9,0,64,
77,12,34,6,1,
43,2,88,91,100,
-46,32,37,42,15;
lll(m);
==> 0,9,-8,-43,-20,
==> 12,-24,1,-43,44,
==> -46,41,29,-1,-5,
==> 77,12,34,6,1,
==> 57,84,-65,42,28 
list l =
intvec(13,25,37, 83, 294),
intvec(12, -33, 9,0,64),
intvec (77,12,34,6,1),
intvec (43,2,88,91,100),
intvec (-46,32,37,42,15);
lll(l);
==> [1]:
==>    0,9,-8,-43,-20
==> [2]:
==>    12,-24,1,-43,44
==> [3]:
==>    -46,41,29,-1,-5
==> [4]:
==>    77,12,34,6,1
==> [5]:
==>    57,84,-65,42,28