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   | Calcul des caractéristiques d'une ligne à air
valeur de a =  ((0.00076000000000000004+0j), matrix([[  1.00000000e-10,   0.00000000e+00],
        [  0.00000000e+00,   0.00000000e+00]]), -1)
valeur de b =  ((0.00175+0j), matrix([[  1.00000000e-10,   0.00000000e+00],
        [  0.00000000e+00,   0.00000000e+00]]), -1)
valeur de µ =  (1.2566370614359173e-006, matrix([[ 0.,  0.],
        [ 0.,  0.]]), -1)
valeur de E =  (8.8599341855140252e-012, matrix([[ 0.,  0.],
        [ 0.,  0.]]), -1)
valeur de r =  ((2.3026315789473681+0j), matrix([[ 0.00109109,  0.        ],
        [ 0.        ,  0.        ]]), -1)
C0 = ((6.6744718560790473e-011+0j), matrix([[  1.31782253e-24,   0.00000000e+00],
        [  0.00000000e+00,   0.00000000e+00]]), -1)
L0 = ((1.6681052672743658e-007+0j), matrix([[  8.23133021e-18,   0.00000000e+00],
        [  0.00000000e+00,   0.00000000e+00]]), -1)
i= 1
f= 18000000000.0
w = 113097335529.0
k = (377.374502403+0j)
d1 = 3.09592505574e-013
Traceback (most recent call last):
  File "T:/Mesure dimensionnelle Paramètre S/Programme Python/Ligne test.py", line 51, in <module>
    d2 = sqrt(d1)
  File "C:\Python25\lib\site-packages\mst\GUM\_fixed_nodes.py", line 103, in __init__
    self._fill( self._T )
  File "C:\Python25\lib\site-packages\mst\GUM\_fixed_nodes.py", line 33, in _fill
    self._context = node.getContext()
  File "C:\Python25\lib\site-packages\mst\GUM\_bases.py", line 84, in getContext
    return self.arg.getContext()
AttributeError: 'float' object has no attribute 'getContext' | 
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