how to get the value of function u(x,t)=exp(ax+bt) in form of table for diffrent value of x and t

I want the value of u in form of the table for different value of x and t.as shown in table and want the explanation for each step in detail.

[Azzi Abdelmalek]

no table shown

Answer 1

[Azzi Abdelmalek]

You use table function to create your table