[R] Need help

[R. Michael Weylandt]

If you want to solve it _numerically_ there are many options within R:
if you want to solve symbolically, you'll probably need to interface
to some symbolics software, e.g., Ryacas.

Cheers,
Michael

On Wed, Sep 12, 2012 at 11:08 PM, Bert Gunter <gunter.berton at gene.com> wrote:
> Well, then ...
>
> I've cc'ed this to R-Help so that you can get other opinions to that I
> express below.
>
> R is for data analysis, statistics, and graphing data. R **can** do
> (natively) some symbolic mathematics/algebra; and there are R packages
> (Ryacas for one) that provide interfaces to symbolic math systems
> (Yacas in this case). But, in general, since you're already using
> Maple for this purpose, I'd say to stick with it and learn to use R
> for its intended purpose. One good tutorial to this end is "An
> Introduction to R," which ships with every copy of R. There are also
> many on the Web, and CRAN has many books on R listed.
>
> -- Bert
>
> On Wed, Sep 12, 2012 at 2:56 PM, pial das <pialdas at yahoo.com> wrote:
>> Thanks, Bert.
>> However, this is not a HW. I use Maple and Matlab. Want to learn about R
>> too.
>>
>>
>> ________________________________
>> From: Bert Gunter <gunter.berton at gene.com>
>> To: pial das <pialdas at yahoo.com>
>> Cc: "r-help at r-project.org" <r-help at r-project.org>
>> Sent: Wednesday, September 12, 2012 4:40 PM
>> Subject: Re: [R] Need help
>>
>> Homework? We don't do homework here.
>>
>> -- Bert
>>
>> On Wed, Sep 12, 2012 at 11:56 AM, pial das <pialdas at yahoo.com> wrote:
>>> Hello,
>>>
>>> I am brand new in this site as well as in R. Please accept my early
>>> apology if it's not the right place to ask such a question.
>>>
>>> I have the following equation:
>>>
>>> b=[2(1-a)(1+2a)^0.5]/(1+3a)
>>>
>>> How can I solve the above equation for 'a' using R?
>>>
>>> Thanks in advance.
>>>
>>> KD
>>>
>>>        [[alternative HTML version deleted]]
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
>>
>> --
>>
>> Bert Gunter
>> Genentech Nonclinical Biostatistics
>>
>> Internal Contact Info:
>> Phone: 467-7374
>> Website:
>> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
>>
>>
>
>
>
> --
>
> Bert Gunter
> Genentech Nonclinical Biostatistics
>
> Internal Contact Info:
> Phone: 467-7374
> Website:
> http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.