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RE: Mathematica Help Urgent (Very New Beginner)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg93391] RE: [mg93332] Mathematica Help Urgent (Very New Beginner)
  • From: "David Annetts" <davidannetts at aapt.net.au>
  • Date: Wed, 5 Nov 2008 04:57:57 -0500 (EST)
  • References: <200811041117.GAA29117@smc.vnet.net>

Hi Derek,

> I am just beginning to learn to use Mathematica, and need to 
> create a table of values. I would like to be able to input 
> x-values and have the table display f(x), f'(x), and possibly 
> f''(x) for a given function. I have already specified the 
> function, and I have found the following input creates tables:
> 
> Table[{x,f[x]},{x,-5,5,.5}]
> 
> My problem is this: I would like to input specifc x-values, 
> rather than use set intervals as defined in {x,-5,5,.5} 
> above. Is there a way to specify a list of specific x values 
> so that Mathematica computes the values of f[x] in table form?

You can give Table[] a list of numbers and it works just fine

	Table[{x, f[x]}, {x, RandomInteger[{1, 10}, 5]}]

alternatively, try

	{#, f[#]}& /@ RandomInteger[{1, 10}, 5]

which is essentially the same thing.

Regards,

Dave.




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