You can always input expressions in Cmap, view() included. Just enter
the expression and press Enter. The variable name is shown on top of
the view window, so what are you confused about?

Cheers,

James

--- In cmap@y..., "voquangthanh" <voquangthanh@y...> wrote:
> I'm a new user of CMAP and I have a problem when I input data. For
> me, when I'm using Buil-in view() to get data I cann't put
> expression for what data I need and the problems are I confused
> these inputs. Besides, with Buil-in getnum()I can do that but I
> cann't input data for matrices. Do we have other functions look
like
> view() and getnum()which I can put my expressions and can do well
> with matries ?