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These are questions asked by AntipodeanMan

I'm trying to plot the solution of the following differential equation:

theta * y''(t) - y'(t) = 0  with boundary conditions  y(-1)=alpha  and  y(1)=beta. Theta is supposed to be very small, say 0.01, and for starters I put  alpha=1  and  beta=-1. But Maple does not compute. I use the following source code:

> singularperturbation:={0.01*diff(y(t),[t$2]) - y(t)*diff(y(t),t) = 0, y(-1)=1,y(1)=-1};

> differentialsolve:=(singularperturbation,y(t),type=numeric,method=bvp[midrich],abserr=1e-2);

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