analysis: analysis::general_optics::base

def mat2 ( self )

Definition at line 830 of file general_optics.py.

00830                       :
00831                 "get an abcd matrix, if we look like a spherical lens"
00832                 if self.d1==self.d2:
00833                         return Numeric.array(((1.0,0.),(-1.0/self.d1,1)))
00834                 else:
00835                         raise "Attempt to get 2x2 matrix of non-spherical lens" 
00836 
        def mat4(self):