y
1
= η y
2
=0, 5
y
2
=
3
&
k=0
a
k
(y
1
− η)
k
T
1
=0, 5 T
2
=7 η =0, 9 a =0, 3 b =1, 2
• a
0
=0, 49993 a
1
=−0, 1319·10
−1
a
2
=0, 2174 · 10
−1
a
3
= −0, 3749·10
−1
• a
0
=0, 49994 a
1
= − 0, 82732 · 10
−2
a
2
=0, 26261 · 10
−1
a
3
= −0, 12105
a
4
= −0, 12387 0, 47312 · 10
−1