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i need a bit of clarification on why d/dx is always <0 to a given equation will type it out in the thread. anyone help me?
 one year ago
 one year ago
i need a bit of clarification on why d/dx is always <0 to a given equation will type it out in the thread. anyone help me?
 one year ago
 one year ago

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TedGBest ResponseYou've already chosen the best response.1
dx/dt= rx(1(x/k))h < 0 if h>rk/4
 one year ago

TedGBest ResponseYou've already chosen the best response.1
i need to get my head around why this is
 one year ago

goformit100Best ResponseYou've already chosen the best response.0
use the concept of maxima minin=ma...
 one year ago

TedGBest ResponseYou've already chosen the best response.1
it what way? also how would this be derived?
 one year ago

TedGBest ResponseYou've already chosen the best response.1
Because i'm answering a question on logistic growth with harvesting, have found steady states by setting rx(1(x/k))h=0 giving a quadratic.
 one year ago

TedGBest ResponseYou've already chosen the best response.1
i need to find a critical harvesting point, which i have read is h_c=rk/4, and i need to be able to derive it.
 one year ago

TuringTestBest ResponseYou've already chosen the best response.0
can you tell me your original function, and what each variable represents please?
 one year ago

TedGBest ResponseYou've already chosen the best response.1
i will attach a print screen of the question i think that would explain what everything is.
 one year ago

TedGBest ResponseYou've already chosen the best response.1
@TuringTest i have attached the question.
 one year ago

TedGBest ResponseYou've already chosen the best response.1
so for one solving rx(1(x/k))h=0 gives a quadratic, which gives the steady states. what i want to know, is, i have read that the critical value is h_c=rk/4 but how?
 one year ago

TedGBest ResponseYou've already chosen the best response.1
@TuringTest My assumption is maybe setting the discriminant of the quadratic to zero and rearranging. This does give h_c=rk/4. But i need to know that if this is correct why when h>h_c=rk/4 dx/dt is always 0.
 one year ago

TuringTestBest ResponseYou've already chosen the best response.0
hm... still thinking
 one year ago
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