Re: [eigen] cwise ops nomenclature

[Benoit Jacob <jacob.benoit.1@xxxxxxxxx>]

Sorry, I'm sorry if, not being a native English speaker, I didn't pick
the best word, but it's too late now to make such a sweeping
nomenclature change, unless a swarm of native/good English speakers
here say it's really absolutely necessary...

Benoit

2010/5/24 Manoj Rajagopalan <rmanoj@xxxxxxxxx>:
> Hi eigen developers,
>
>   This suggestion might be a little presumptuous but here it is anyway: I
> think cwise<Op>() member functions could be better understood and remember if
> renamed to ewise<Op>() or elemwise<Op>() or elementwise<Op>(). Here is why I
> think so:
>
> 1. I keep getting dragged into thinking that cwise<Op>() is column-wise as
> opposed to coefficient-wise. I think this is because I was introduced to
> cwise... and colwise() on the same day when I read the Eigen tutorial page.
> This might be the case with others who get introduced to Eigen.
>
> 2. The contents of matrices and vectors are usually referred to as elements
> more than coefficients. A "coefficient" is an entity that usually accompanies
> something else (as a multiplicative factor). In this sense, matrices (which
> are representations of linear operators in a certain basis) often are the
> coefficients themselves in a polynomial or multidimensional ODE (resulting
> from discretization of PDEs). I do suppose the elements of a matrix can be
> called coefficients because they do multiply components of vectors to whcih
> they are applied ...
>
> cheers!
> Manoj
>
>
>