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Question: Problem with dsolve "Error, (in DEtools/convertsys) unable to compute coeff"

Question:Problem with dsolve "Error, (in DEtools/convertsys) unable to compute coeff"

Paulo Baumbach 50 Maple 18
ode dsolve numeric differential-equations
March 24 2019
1

I am encountering problems solving a system of differential equations.

In the attached file, on the first try the boundary conditions are defined in H: = He, resulting in "Error, (in DEtools / convertsys) unable to compute coeff". On the second try, the boundary conditions are defined in H: = He + 0.00000000000000001 and this works.

What is the possible cause of the problem?

Thank you

problem.mw
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