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The Maxima on-line user's manual

Algebra Calculator

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Sign

Function: sign (<expr>) Attempts to determine the sign of <expr> on the basis of the facts in the current data base. It returns one of the following answers: pos (positive), neg (negative), zero, pz (positive or zero), nz (negative or zero), pn (positive or negative), or pnz (positive, negative, or zero, i.e. nothing known).

f(x):= x^6-3*x^5-55*x^4+86*x^3+199*x^2-115*x-17;
makelist(sign(f(k)),k,-9,9)

There are also some inexact matches for sign. Try ?? sign to see them.

(%o1)                                true
(%i2) 

Related Examples

sign

sign(-23)*3;

Calculate

sign

sign(-10) * 16;

Calculate

sign

eq1:sign(5);

Calculate

sign

sign(10);

Calculate

sign

sign(3-2);

Calculate

sign

sign(-10) * 16;

Calculate

sign

eq1:sign(-5)+1;

Calculate

sign

sign(3-2);

Calculate

sign

eq1:sign(-5)+1;

Calculate