search for: tp4642626

...y)*(sin(theta)*(x_loc-x)-cos(theta)*(y_loc-y))/(((x_loc-x)^2+(y_loc-y)^2)^0.5)^3) 0 = -sum((x_loc-x)*(sin(theta)*(x_loc-x)-cos(theta)*(y_loc-y))/(((x_loc-x)^2+(y_loc-y)^2)^0.5)^3) Thanks in advance. -- View this message in context: http://r.789695.n4.nabble.com/Solving-a-system-of-two-equations-tp4642626.html Sent from the R help mailing list archive at Nabble.com.