∫
a
b
f
′
(
x
)
d
x
=
f
(
b
)
−
f
(
a
)
\int_a^b f'(x)\,dx = f(b) - f(a)
∫
a
b
f
′
(
x
)
d
x
=
f
(
b
)
−
f
(
a
)
softmax
(
x
i
)
=
e
x
i
∑
j
e
x
j
\text{softmax}(x_i) = \frac{e^{x_i}}{\sum_j e^{x_j}}
softmax
(
x
i
)
=
∑
j
e
x
j
e
x
i
P
=
?
NP
\text{P} \overset{?}{=} \text{NP}
P
=
?
NP
P
(
A
∣
B
)
=
P
(
B
∣
A
)
P
(
A
)
P
(
B
)
P(A|B) = \frac{P(B|A)P(A)}{P(B)}
P
(
A
∣
B
)
=
P
(
B
)
P
(
B
∣
A
)
P
(
A
)
∇
⋅
E
=
ρ
ε
0
\nabla \cdot \mathbf{E} = \frac{\rho}{\varepsilon_0}
∇
⋅
E
=
ε
0
ρ
a
2
+
b
2
=
c
2
a^2 + b^2 = c^2
a
2
+
b
2
=
c
2
O
(
n
log
n
)
O(n \log n)
O
(
n
lo
g
n
)
e
i
π
+
1
=
0
e^{i\pi} + 1 = 0
e
iπ
+
1
=
0
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