How can I select specific variables from a file in a Matlab GUI?

First of all, thanks for read this. Well, I need to do a GUI GUIDE that reads an excel spreadsheet with n variables, it could be any excel spreadsheet (I can do this).

The next part (this is the part where I need help)is when the user wants to use any variables, for example, if the spreadsheet has 10 columns called a, b, c, d, e, f, g, h, i, j; the user can choose the number of variables and the name of them, that isn't fixed.

Example.

Type the number of variables you want to use: 3

Type the name of the variables you want to use: b, f, i.

Please advice me what can I do.

I hope I had been explicit with my question. Greetings.

[Sara]

Where does the typing happening? in an editbox? and what do you mean that the user wants a variable: does the user want to plot it, write it to file, ..?

Have you written any code at all?

Answer 1

[Walter Roberson]

http://matlab.wikia.com/wiki/FAQ#How_can_I_create_variables_A1.2C_A2.2C....2CA10_in_a_loop.3F