RealRootsApprox -- approximations to the real roots of a univariate poly |
Syntax |
RealRootsApprox(F: RINGELEM): LIST RealRootsApprox(F: RINGELEM, Precision: RAT): LIST RealRootsApprox(F: RINGELEM, Precision: RAT, Interval:[RAT, RAT]): LIST |
Description |
Example |
/**/ use QQ[x]; /**/ RealRootsApprox(x^2-2); [-3037000499/2147483648, 3037000499/2147483648] /**/ RR := RealRootsApprox(x^2-2, 10^(-15), [0, 2]); /**/ FloatStr(RR[1], 15); --> print as a decimal, easier to read 1.41421356237310*10^0 |
See Also |