Klaroline

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These are questions asked by Klaroline

I need to build this model:
We consider a population of female salmon, they live 4 years. Survival for first three years respectively: 0.5%,7%,15%. Each salmon has female kids only in 4 year and produces 5000 female offspring

Hello. I have a problem with DEplot and I hope someone could help me with this:

How I can solve this:

 \lambda(x_0) = \lim_{n\rightarrow\infty} \frac{1}{n} \ln\left|\frac{df^n(x_0)}{dx}\right|
for different fn(x0) ? for f(x)=exp(x^2(a-x))



How to show what class of bifurcation is in this function :   exp(x2*(a-x)) ?

How I can solve it ? If I want a solution dependent of a. With fsolve? But how?

-x3+ax2-lnx=0
 

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