Plotting potential of 2 bodies.
Hi everyone,
Im currently following an example of this paper: http://ocw.mit.edu/courses/aeronauti...7F09_Lec18.pdf And have reached a standstill on page 5. Im trying to plot the pseudo potential of the two bodies. I have succeded in plotting the gravitational potential in maple. But when i want to plot the pseudo potential i have to use the function (14). But on the added centrifugal force theres r, which i pressume is the position vector. Im not really sure how to plot this since i now have 3 (x,y,r) variables instead of 2(x,y). r must be some sort of function of x and y, i think? If anyone has ever plottet the potential field i would love to know what to do now. Regards and thanks in advance. 
Re: Plotting potential of 2 bodies.
Hint: r is the "diagonal" distance running directly from the origin to the point (x,y). x is the "horizontal" distance from the origin. y is the "vertical" distance from the origin. x, y and r form the three sides of a right triangle. What famous Greek do you think of when you look at a right triangle? :wink:

Re: Plotting potential of 2 bodies.
Doh!
thanks :) Graph looks perfect now! 
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