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answered 2011-12-15 13:37:20 +0100
LA(x) = x - (x^3.0-1.0)/(3.0*x^2.0) S = solve(LA==0,x) n=0 for s in S: a=solve(LA == s.rhs(),x) n=n+1 point([a[i].rhs().n().real(),a[i].rhs().n().imag()] for i in range(n))
Does this help?