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ehrhart polynomial independent variable

I have noticed that the ehrhart_polynomial method in Polyhedron_ZZ returns a polynomial in t. I the independent variable 't' hard coded into the library, or is it getting 't' from something in my setup?

On the other hand, there are other functions that return polynomials that seem to return polynomials in 'x'.

How are users expected to determine what variable is going to come out of a calculation?

ehrhart polynomial independent variable

I have noticed that the ehrhart_polynomial method in Polyhedron_ZZ returns a polynomial in t. I Is the independent variable 't' hard coded into the library, or is it getting 't' from something in my setup?

On the other hand, there are other functions that return polynomials that seem to return polynomials in 'x'.

How are users expected to determine what variable is going to come out of a calculation?

ehrhart polynomial independent variable

I have noticed that the ehrhart_polynomial method in Polyhedron_ZZ returns a polynomial in t. Is the independent variable 't' hard coded into the library, or is it getting 't' from something in my setup?

On the other hand, there are other functions that return polynomials that seem to return default to polynomials in 'x'.

How are users expected to determine what variable is going to come out of a calculation?calculation, and how do I manage the independent variables when I'm cobbling together a calculation out of polynomials that are coming in different variables?