Δ
Q
=
[
∑
i
n
2
∗
m
+
k
i
,
i
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2
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m
−
(
∑
t
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2
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2
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k
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4
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2
)
−
(
k
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2
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2
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−
[
∑
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2
∗
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−
(
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2
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2
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k
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=
k
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=
1
2
∗
m
∗
(
k
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,
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n
−
∑
t
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∗
k
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m
)
\Delta{Q} = [\frac{\sum_{in}} {2*m} + \frac{k_{i,in}}{2*m} - (\frac{\sum_{tot}}{2*m})^2 - (\frac{2*\sum_{tot}*k_i}{4*m^2}) - (\frac{k_i}{2*m})^2] - [\frac{\sum_{in}}{2*m}-(\frac{\sum_{tot}}{2*m})^2 - (\frac{k_i}{2*m})^2] \\ = \frac{k_{i,in}}{2*m} - \frac{2*\sum_{tot}*k_i}{4*m^2} \\ =\frac{1}{2*m}*(k_{i,in} - \frac{\sum_{tot}*k_i}{m})
Δ
Q
=
[
2
∗
m
∑
i
n
+
2
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k
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,
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−
(
2
∗
m
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2
2
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=
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k
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(
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)
