analysis: analysis::general_optics::planesolve

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def analysis.general_optics.planesolve	(	x0,
		u,
		x1,
		v
	)

Definition at line 48 of file general_optics.py.

00048                             :
00049         "planesolve(x0, u, x1, v) returns a, x such that x_=a*u_+x0_ solves (x_-x1_).v_=0"
00050         if vec_mag(x1-x0) < 1e-10:
00051                 return 0, x1
00052         a=Numeric.dot((x1-x0), v) / Numeric.dot(u,v)
00053         #print "\nplanesolve: ", x0, u, x1, v, a, a*u+x0, "\n"
00054         return a, a*u+x0
00055 
def cross(a,b):

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