Root Command
From GeoGebra Manual
Revision as of 14:39, 22 August 2011 by Alexander Hartl (talk | contribs)
- Root[Polynomial]
- Yields all roots of the polynomial as intersection points of the function graph and the x‐axis.
- Root[Function, Number a]
- Yields one root of the function using the initial value a for Newton's method.
- Root[Function, Number a, Number b]
- Yields one root of the function in the interval [a, b] (regula falsi).
CAS Syntax
- Root[Polynomial]
- Yields all roots of the polynomial as intersection points of the function graph and the x‐axis.
- Example:
Root[x^3 - 3 * x^2 - 4 * x + 12]
yields {x = 3, x = 2, x = -2}.
Note:
This command is only a special variant of Solve Command.