Syntax
sturmab(Poly,Var,Cplx1, Cplx2)
Description
Returns the number of sign changes of a polynomial in the interval (Cplx1, Cplx2] or the number of complex roots in (Cplx1, Cplx2] if Cplx1 or Cplx2 is non-real.
Example
sturmab(x^3-1,x,-2,5) returns 1
sturmab — Discussion