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RE: A Learning TableForm Problem

  • To: mathgroup at
  • Subject: [mg32858] RE: [mg32838] A Learning TableForm Problem
  • From: "Florian Jaccard" <jaccardf at>
  • Date: Sat, 16 Feb 2002 04:35:14 -0500 (EST)
  • Sender: owner-wri-mathgroup at

Hello Carlos !

What you did is almost correct.

f[x_] := x^3 - 4*x^2 - 2*x + 8;


Maybe you should first enter f[x] and then use TableForm, like I did above.
It works very good !

To make the right arrow, first type " - ", then " > " !

N.B. If you want to find a numrical approximation for the zero, use FindRoot
! It is very reliable if you use it in combination with a graph !

Meilleures salutations

Florian Jaccard
e-mail : jaccardf at

-----Message d'origine-----
De : Carlos [mailto:k9zm at]
Envoyé : ven., 15. février 2002 08:50
À : mathgroup at
Objet : [mg32838] A Learning TableForm Problem

I need to know why this isn't working for me.  The example I am given is:
Find an estimate for the zero of the Polynomial.  f(x)=x^3-4x^2-2x+8

On a graph the estimated zero is between (1,2)   and it asks us to divide
the interval into tenths


The > is as close as I can get to a right arrow sign

The example I have shows a table  with 2 columns and appropriate numbers,
but I cannot get this to display on Mathematica for me.  Any ideas?


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