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Compact way to store BC's


   In Dr. Bahder's book, he stores the boundary conditions of a DiffEq as 
bc={y[0] == 0, y[1] == 1}.  Is there anyway to do the same for the 
derivatives? {y'[0] == 0} as opposed to {(D[y[x],x]/.{x->0}) == 0}.
   
   Thanks in advance,
   Daryl



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