Plotting an equation at different X

Hi I want to plot an equation which depends on x. For example I what to plot y=1/(1-x) where value of x can be between 0 to 20. How can I write this code?

Answer 1

[jgg]

You should look up the plot function:

 incr = 0.1;
 x = [1:incr:20];
 y = (1-x).^-1

 plot(x,y)