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. > >