Hello,
I have a matrix "m" that's a Singular object and I would like to
compute the eigenvalues via SAGE. So I have to import such a matrix to
SAGE, am i right? But , how? could you help me , please? Here I send
my code:
sage: singular.lib('rootsmr.lib')
sage: singular.ring(0,'(x,y,z)','dp')
sage: I=singular.ideal(['x2+y+z-1','y2+z+x-1','z2+y+x-1'])
sage: J=I.radical()
sage: H=J.groebner()
sage: q=H.qbase()
sage: f=singular.poly('x+2y+3z')
sage: m=f.matmult(q,H)
sage: m
-6,5, 4, 3, 0,
6, 0, -2,-3,1,
6, -1,0, -3,2,
6, -1,-2,0, 3,
-6,1, 2, 3, 0
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