|  |  D.12.7.3 symsignature Procedure from libraryrootsmr.lib(see  rootsmr_lib).
 
Example:Usage:
symsignature(m); m matrix. m must be symmetric.
Return:
int: the signature of m
 See also:
 matbil;
 sturmquery.|  | LIB "rootsmr.lib";
ring r = 0,(x,y),dp;
ideal i = x4-y2x,y2-13;
i = std(i);
ideal b = qbase(i);
matrix m = matbil(1,b,i);
symsignature(m);
==> 4
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