Question: Problems with Method of Finite Differences

Hello, i'm having a problem whit my code for Finites Differences, but I don't really understand why. 

The principal error said this "

Error, (in fsolve) eq[2] is in the equation, and is not solved for"

The other errors come from this one, but the strange thing is my code work whit differents "h"

For example whit h=1 it works, but with h=2.5;0.5;0.1 It doesn't works.

Please help I'm kind of amateur whit Maple


Here is my

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