First order linear differential equation
can some help my find the solution to\[0=\gamma \frac{ d \Psi (t) }{ dt }\left[ (1- \gamma)\left( r+\frac{ 1 }{ 2 } \frac{ \lambda^2 }{ \gamma }\right) -\rho\right]\Psi(t)+\gamma\]
where \[\Psi(T)=0\]
arrh sorry
Mathway.com
\[0=\gamma \frac{ d \Psi (t) }{ dt }+\left[ (1- \gamma)\left( r+\frac{ 1 }{ 2 } \frac{ \lambda^2 }{ \gamma }\right) -\rho\right]\Psi(t)+\gamma\]
I forgot a "+"
-.- take a snap :o
set \((1- \gamma)\left( r+\frac{ 1 }{ 2 } \frac{ \lambda^2 }{ \gamma }\right) -\rho = m\)
\(\large 0=\gamma \frac{ d \Psi (t) }{ dt }+m\Psi(t)+\gamma\)
change it to standard form by dividing gamma and subtracting 1
\[0=\gamma \frac{ d \Psi (t) }{ dt }+m\Psi(t)+\gamma\]
\[0=\frac{ d \Psi (t) }{ dt }+m\Psi(t)/\gamma-1\] like this?
\(\large 0=\gamma \frac{ d \Psi (t) }{ dt }+m\Psi(t)+\gamma\) \(\large 0=\frac{ d \Psi (t) }{ dt }+\frac{m}{\gamma}\Psi(t)+1\) \(\large -1=\frac{ d \Psi (t) }{ dt }+\frac{m}{\gamma}\Psi(t)\)
\(\large \frac{ d \Psi (t) }{ dt }+\frac{m}{\gamma}\Psi(t) = -1\)
we can separate variables right ?
no need of IF and all
\(\large 0=\gamma \frac{ d \Psi (t) }{ dt }+m\Psi(t)+\gamma\) \(\large 0=\frac{ d \Psi (t) }{ dt }+\frac{m}{\gamma}\Psi(t)+1\) \(\large \frac{ d \Psi (t) }{ dt } = -1-\frac{m}{\gamma}\Psi(t)\) \(\large \frac{ d \Psi (t) }{1+\frac{m}{\gamma}\Psi(t) } = -dt\)
integrate both sides
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