The monodromy matrix:

Two linearly independent solutions  of (1) form a consistent basis if
their Wronskian is independent of ,
these solutions satisfy 
 (consistent with).

Consistent bases do exist (solutions of (1) s.t.  and ).
The functions  are solutions of equation (1). 
Therefore, they satisfy


The matrix  is the monodromy matrix associated to the consistent basis.
The monodromy matrix satisfies