Using num2str on a graph

edited October 2007 in Science & Tech
I'm trying to concatentate num2str() in a text function on a graph, label on a graph.

text(2.4,2000,), where have I gone wrong on the syntax?

I'm using the [x,y]=ginput(n) function to bring back some coordinates will I be able to display them in the text function with num2str()? In the example I gave Dselect is x.
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