CASA Function: realroot_sb

Isolate real roots of a polynomial in strictly separated intervals using de-recursive algorithms.

Calling Sequence:

Parameters:

poly : polynom
widthgoal : number
interval : list

Result:

l : list

Description:

Examples:

> realroot_sb(2.5*x^8+x^7-4*x^6-20*x^5+4*x^4+20*x^3, 1/1000);

[Maple Math]

> p1:=expand(subs({n=20,a=5},x^n-2*(a*x-1)^2)):

> realroot_sb(p1,[0,1]);

[Maple Math]

See Also:

[CASA] [realroot_a] [[realroot]]