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based on an earlier version of the Wolfram Language.
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DifferentialRootReduce

DifferentialRootReduce
attempts to reduce expr to a single DifferentialRoot object as a function of x.
DifferentialRootReduce
takes the initial conditions to be specified at .
Reduce the Bessel function to a DifferentialRoot:
Reduce the Bessel function to a DifferentialRoot:
In[1]:=
Click for copyable input
Out[1]=
In[2]:=
Click for copyable input
Out[2]=
Polynomial functions:
Rational functions:
Algebraic functions:
Addition:
Multiplication:
General expressions:
DifferentialRootReduce threads automatically over lists:
DifferentialRootReduce can give non-homogeneous equations:
Use the option Method to get an homogeneous equation:
New in 7