Re: tabulate an expression in arbitrary precision
- To: mathgroup at smc.vnet.net
- Subject: [mg93988] Re: tabulate an expression in arbitrary precision
- From: Raffy <raffy at mac.com>
- Date: Mon, 1 Dec 2008 07:00:31 -0500 (EST)
- References: <ggr287$e8j$1@smc.vnet.net>
On Nov 29, 4:32 am, Leslaw Bieniasz <nbbie... at cyf-kr.edu.pl> wrote:
> Hi,
> I am new to MATHEMATICA, and I am looking for advice.
> I have access to MATHEMATICA 6.0.
> I need to tabulate values of a certain expression involving error functio=
n Erf[x], for a number of x values.
> The problem is that I need to do these calculations in
> arbitrary precision (that is I want to be able to control
> the number N of significant digits). Can anybody show me some examples of=
how this might be done? I stress I know
> nothing about MATHEMATICA. I want the results to be displayed and saved i=
n the form of a table having two columns, where the first column contains x=
values, and
> the second column contains the corresponding values of the expression, wi=
th all N significant digits.
>
> Leslaw
Table[{N[x], N[Erf[x], 32]}, {x, -3, 3, 1/5}] // TableForm