> I downloaded lapack recently and wanted to put a dent in it by calling
> one of its subroutines. I hoped to call one that would determine the
> eigenvalues of a real matrix, but that doesn't seem to be on the menu.
> A person seems to need to put quite a bit of effort to determine exactly
> what the subroutines do, and deciphering the titles is one step on that
> path.
>
> I found SGEHRD.f, where I think the S is single precision, the GE is a
> general matrix, the H is Hessenberg and RD might be reduction. So I'll
> be hoping to take a eal matrix and use lapack to give me the Hessenberg
> form, which, I can then use for bigger and better things.
>