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Re: [Axiom-mail] eval function
From: |
Martin Rubey |
Subject: |
Re: [Axiom-mail] eval function |
Date: |
17 Mar 2009 22:25:14 +0100 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 |
(1) -> f:=-(37/84)*x^2 -(7/12)*x -1/42
37 2 7 1
(1) - -- x - -- x - --
84 12 42
Type: Polynomial(Fraction(Integer))
(2) -> x12:=radicalSolve(f,x)
+----+ +----+
- \|2105 - 49 \|2105 - 49
(2) [x= --------------,x= ------------]
74 74
Type: List(Equation(Expression(Integer)))
(3) -> g:=12*x^3 + 5*x^2 + 11*x + 16
3 2
(3) 12x + 5x + 11x + 16
Type: Polynomial(Integer)
(4) -> eval(f,x12.1)
(4) 0
Type: Expression(Integer)
(5) -> eval(g,x12.1)
+----+
- 16959\|2105 + 9279
(5) ---------------------
50653
Type: Expression(Integer)
Just note that x12.1 is an equation, fit for eval...
Martin