[R] R:Exponent

[David Winsemius]

> On Dec 31, 2015, at 11:16 AM, Abram Wooten via R-help <r-help at r-project.org> wrote:
> 
> Hello, 
> 
> I am new to R and I am having trouble adding an exponent to my problem. For instance,
>> mat5 <-matrix(c(0.5,0.5,0.25,0.75),2,byrow=T)
>> mat6 <-matrix(c(0.5,0.5,0.25,0.75),2,byrow=T)
>> mat5%^%2
> Error: could not find function "%^%"

The package expm provides matrix exponentials. I think that package Matrix has the same capability, although its help page says that expm::expm is likely to be faster.

-- 
David
> 
> I unsure on weather I should square mat5 or use the two mats and square them both. I really need some help. 
> 
> Thanks,
> Abram 
> Sent from Mail for Windows 10
> 
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.

David Winsemius
Alameda, CA, USA