Hi, you can use "sign" to know if a polynomial is nonnegative. On Sun, Oct 7, 2018, 3:40 AM Kyle Andrews <[email protected]> wrote:
> I am interested in writing a naive procedure for testing whether a square > symmetric matrix is positive definite. I'm getting to the > Polynomial(Integer) at the end, but haven't found any documentation showing > how to test whether a Polynomial(Integer) must be positive (or 0). I know I > could write this function by examining eigenvalues but would like to > explore the facilities for doing it the other way. > > Thanks for any hints or suggestions. > > -- > You received this message because you are subscribed to the Google Groups > "FriCAS - computer algebra system" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/fricas-devel. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/fricas-devel. For more options, visit https://groups.google.com/d/optout.
