e x = ∑ n = 0 ∞ x n n ! = 1 + x + x 2 2 ! + x 3 3 ! + x 4 4 ! + ⋯ {\displaystyle e^{x}=\sum _{n=0}^{\infty }{\frac {x^{n}}{n!}}=1+x+{\frac {x^{2}}{2!}}+{\frac {x^{3}}{3!}}+{\frac {x^{4}}{4!}}+\cdots }
⋍ 1 + x + x 2 2 ! + x 3 3 ! {\displaystyle \backsimeq 1+x+{\frac {x^{2}}{2!}}+{\frac {x^{3}}{3!}}}
V = V + − V − 2 {\displaystyle V={\cfrac {V_{+}-V_{-}}{2}}}
I = I 0 e − μ ( E γ ) x {\displaystyle I=I_{0}e^{-\mu (E_{\gamma })x}}
A = log 10 I 0 I {\displaystyle A=\log _{10}{\frac {I_{0}}{I}}}
A = K ⋅ c ⋅ l {\displaystyle A=K\cdot c\cdot l}
d 2 x d t 2 + ω 0 d x d t = f cos ω t {\displaystyle {\frac {d^{2}x}{dt^{2}}}+\omega _{0}{\frac {dx}{dt}}=f\cos \omega t}
ϵ v = V o u t V i n = T o n T s = D {\displaystyle {\epsilon _{v}}={\frac {V_{out}}{V_{in}}}={\frac {T_{on}}{T_{s}}}=D}
η = V o u t ∗ I o u t V i n ∗ I o u t {\displaystyle \eta ={\frac {V_{out}*I_{out}}{V_{in}*I_{out}}}}
I o u t = V 1 R 1 {\displaystyle I_{out}={\frac {V_{1}}{R_{1}}}}
Z C = 1 2 π f C , Z L = 2 π f L {\displaystyle Z_{C}={\frac {1}{2{\pi }fC}},Z_{L}=2{\pi }fL}
y = − 11.029 x − 0.0791 {\displaystyle y=-11.029x-0.0791}
<math> -\frac{R_f}{R_s}=-\frac{10}{1}=-10
