Question: plot command not working the way I want

Motion_of_a_Charged_.mw

Hi,

The procedure I uploaded, was originally written in C++. I made a text file and plot the file with C++ without any problem.

But in the maple version of the same program, when I use the command:

                                 plot(func(argument),argument=a...b);

some kind of problem occurs.I don't even understand the error message.

 

If I use the command:

 

       plot(func,a..b);

 it works! But I want to work it in the  previous way.

I don't know how.

 

Can anyone help me plz?

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