Re: A quick question

*To*: mathgroup at smc.vnet.net*Subject*: [mg7825] Re: A quick question*From*: Tony.Nicolas at insa-rouen.fr (Tony NICOLAS)*Date*: Mon, 14 Jul 1997 03:01:09 -0400*Organization*: INSA-LMR*Sender*: owner-wri-mathgroup at wolfram.com

In article <5pv1q6$ig1 at smc.vnet.net>, Chen-Ying Huang <huang3 at fas.harvard.edu> wrote: > Hi there: > I am a grad student and I am using Mathematica to solve an > international trade model. My question is that since I need to do some > nonlinear optimization, so I used the command "FindMinimum". The problem > is that Mathematica reported it without assigning the value to the > variable. For example, say if I want to FindMinimum of the function > f=x^2, then the result I get is {0,{x->0}. But that is not enough for me > since I want the value 0 to be restored in x, that is I want to have 0 > assigned to the variable x after I run the command "FindMinimum" because > I need to use this value of x to do more calculations. Since I need to > repeat this in a loop, I cannot do it manually. Is there someone who can > help me with this? I really appreciate any help and please give me > answers as soon as possible. I really need to do this, otherwise my > advisor will think that I am just shirking. > Thank you, whoever you are! > Chen-Ying Huang > e-mail: chuang at kuznets.fas.harvard.edu Evrey object in Mathematica is a list. So if you want give the value of x, you must write: an example a=FindMinimum[x^2,{x,-5}] x=a[[2,1]][[2]] Tony