Dec 23, 2015 #1 BiNa2605 Full Member level 3 Joined Sep 1, 2015 Messages 179 Helped 6 Reputation 12 Reaction score 4 Trophy points 18 Location VietNam Activity points 1,357 I have 4 unknow variables x, y, z and r1. How can I solve the matrix like that [x, y, z, r1]=solve('(x+e)^2+y^2+z^2-a*(r1^2) =0','(x-e)^2+y^2+z^2-b*(r1^2) =0','x^2+(y-e)^2+z^2-c*(r1^2) =0','x^2+y^2+z^2-d*(r1^2) =0') My results are different compare to the solution. Can anyone give me explanation?
I have 4 unknow variables x, y, z and r1. How can I solve the matrix like that [x, y, z, r1]=solve('(x+e)^2+y^2+z^2-a*(r1^2) =0','(x-e)^2+y^2+z^2-b*(r1^2) =0','x^2+(y-e)^2+z^2-c*(r1^2) =0','x^2+y^2+z^2-d*(r1^2) =0') My results are different compare to the solution. Can anyone give me explanation?