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DEtools[AreSimilar] - test if two hyperexponential functions are similar
Calling Sequence
AreSimilar(H1, H2, x)
Parameters
H1
-
hyperexponential function of x
H2
x
variable
Description
Let be hyperexponential functions of x over a field K of characteristic 0. The AreSimilar(H1,H2,x) command returns true if and are similar. Otherwise, it returns false.
H1 and H2 are similar if their ratio can be written as the product of a rational function and a constant in some extension of K.
Examples
See Also
DEtools[RationalCanonicalForm], DEtools[ReduceHyperexp], SumTools[Hypergeometric][AreSimilar]
References
Geddes, Keith; Le, Ha; and Li, Ziming. "Differential rational normal forms and a reduction algorithm for hyperexponential functions." Proceedings of ISSAC 2004. ACM Press. (2004): 183-190.
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