LREtools[REcontent] - content of a recurrence operator
LREtools[REprimpart] - primpart of a recurrence operator
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Calling Sequence
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REcontent(problem)
REprimpart(problem)
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Description
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REcontent returns the content of the shift operator (that is, INFO[shifteqn]), thus returning the greatest common divisor of the coefficients of the operator.
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Similarly, REprimpart returns INFO[shifteqn]/REcontent(problem). Note: Whereas the sign is removed from the content, it is not removed from the primitive part.
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Examples
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