Problems with Function handle
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I'm trying to imitate a mathematical model with differential equations, but I can not make it work. I need to obtain the graph that I show in the image and the model that I try to make is example 3.2 of the PDF.
Moments ago he showed me an unidentical but similar graphic, now he does not give me anything.
function dydx = fff (x,y)
dGabydx = -Vga-Vsr;
dGagtpdx = Vga-Vh0-Vhi;
dydx = [dGabydx dGagtpdx]';
[x,y]= ode45(dydx,[0,2],[.1 .1]);