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D.8.8.6 unitMatrix

Procedure from library rootisolation.lib (see rootisolation_lib).

Usage:
unitMatrix(n); n int

Return:
nxn unit interval matrix

Example:
 
LIB "rootisolation.lib";
ring R = 0,(x,y),dp;
unitMatrix(2);
==> [1, 1],[0, 0]
==> [0, 0],[1, 1]
==> 
unitMatrix(3);
==> [1, 1],[0, 0],[0, 0]
==> [0, 0],[1, 1],[0, 0]
==> [0, 0],[0, 0],[1, 1]
==>

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