a Grading object
If the Grading object obj had been constructed with a limited domain specified, then this is returned. Otherwise, NULL is returned.
Q ≔ QuadraticFunction⁡x2−4⁢x+4,'domain'=RealRange⁡−∞,−2
Q ≔ << QuadraticFunction: x^2-4*x+4>>
The Grading:-GetDomain command was introduced in Maple 18.
For more information on Maple 18 changes, see Updates in Maple 18.
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