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The calculator returns an integral that cannot be evaluated numerically because
it depends on the parameter n. The coefficient can still be calculated by
typing its definition in the calculator, i.e.,
where T = 2 is the period. The value of T can be stored using:
Typing the first integral above in the Equation Writer, selecting the entire
expression, and using @EVAL@, will produce the following:
Recall the e
inπ
= cos(nπ) + i⋅sin(nπ) = (-1)
n
. Performing this substitution in the
result above we have:
+⋅
⎟
⎠
⎞
⎜
⎝
⎛
⋅π⋅⋅⋅
−⋅⋅
∫
dX
T
Xn2i
EXPX
2
1
1
0
∫
⋅
⎟
⎠
⎞
⎜
⎝
⎛
⋅π⋅⋅⋅
−⋅−⋅
2
1
dX
T
Xn2i
EXP)X2(
2
1
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