Re: how to find minimum value.
- To: mathgroup at smc.vnet.net
- Subject: [mg94961] Re: [mg94945] how to find minimum value.
- From: "Scot T. Martin" <smartin at deas.harvard.edu>
- Date: Thu, 1 Jan 2009 07:25:58 -0500 (EST)
- References: <200812311109.GAA13599@smc.vnet.net>
Not sure I fully understand your question, but here is how to use
FindMinimum[].
In[1]:=
FindMinimum[x^2+3 x+1,x]
Out[2]=
{-1.25,{x->-1.5}}
The minimum value is -1.25 and it occurs for x=-1.5.
On Wed, 31 Dec 2008, mssivava wrote:
> Hi everyone,
>
> For instance, lets assume that we have an equation like
> a = Solve[x^2 + 3 x + 1 == 0]
>
> the solution gives 2 x values as
>
> {{x -> 1/2 (-3 - Sqrt[5])}, {x -> 1/2 (-3 + Sqrt[5])}}
>
> Which function can I use to find the min x? (Min[] or FindMimimum[] is not working)
>
> In my real question, I have more than 50 values. So I need to find a mathematica function to find the minimum value from 50 automatically.
>
> Thank you very much.
>
>