diff options
Diffstat (limited to 'annexe')
| -rw-r--r-- | annexe/main.tex | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/annexe/main.tex b/annexe/main.tex index dc3c495..5e270fb 100644 --- a/annexe/main.tex +++ b/annexe/main.tex @@ -32,7 +32,6 @@ \newcommand{\vst}{V_S(t)} \newcommand{\vlz}{V_L(0)} -\newcommand{\e}{\mathrm{e}} \newcommand{\al}{\alpha} \newcommand{\la}{\lambda} \newcommand{\wz}{\omega_{0}} @@ -108,11 +107,21 @@ \subsection{Décharge} \begin{gather*} \begin{align} - 0 & = \vlt + V_C(t) + V_R(t) \\ - 0 & = \vlt+\frac{1}{C}\int I_(t)\dt + R_I(t) \\ - 0 & = \ddt{2}\left[ \vlt + \frac{1}{LC}\iint\vlt\dt^2 + \frac{R}{L}\ddt{} \vlt \right] \\ - 0 & = \ddt{2}\vlt+ \frac{R}{L}\ddt{}\vlt +\frac{1}{LC}\vlt \\ - 0 & = \ddt{2}+2\al\la A\e + 0 & = \vlt + V_C(t) + V_R(t) \\ + 0 & = \vlt+\frac{1}{C}\int I_(t)\dt + R_I(t) \\ + 0 & = \ddt{2}\left[ \vlt + \frac{1}{LC}\iint\vlt\dt^2 + \frac{R}{L}\ddt{} \vlt \right] \\ + 0 & = \ddt{2}\vlt+ \frac{R}{L}\ddt{}\vlt +\frac{1}{LC}\vlt \\ + 0 & = \ddt{2}+\vlt+2\al\ddt{}\vlt+\ws \\ + \nonumber\text{Posons que: } + & + \vlt=Ae^{\la t} \Rightarrow + \ddt{}\vlt=\la Ae^{\la t} \Rightarrow + \ddt{2}\vlt=\la^{2}Ae^{\la t} \\ + 0 & = \la^2Ae^{\la t} +2\al Ae^{\la t} + \ws Ae^{\la t} \\ + 0 & = Ae^{\la t} \left(\la^2 +2\al\la+\ws \right) \\ + 0 & = \la^2 +2\al\la+\ws \\ + \la_{1,2} & = \frac{-2\al\pm\sqrt{(-2\al)^2-4\ws}}{2(-2\al)} \\ + \la{1,2} & = -\al\pm\sqrt{\al^2-\ws} \end{align} \end{gather*} \end{appendix} |