Difference between revisions of "ApCoCoA-1:NCo.SetFp"
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| − | Note that the default coefficient field is the field of rational numbers, i.e. RAT in CoCoAL. This function has 0 or 1 parameter. The coefficient field is set to the binary field {0,1} if no parameter is given, i.e. via the first function NC.SetFp(), and is set to the finite field {0,1,...,P-1}. The coefficient field can be set to the field of rational numbers via the function <ref>NC.UnSetFp</ref>. | + | Note that the default coefficient field is the field of rational numbers, i.e. RAT in CoCoAL. This function has 0 or 1 parameter. The coefficient field is set to the binary field {0,1} if no parameter is given, i.e. via the first function NC.SetFp(), and is set to the finite field {0,1,...,P-1}. The coefficient field can be set to the field of rational numbers via the function <ref>ApCoCoA-1:NC.UnSetFp|NC.UnSetFp</ref>. |
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<item>@param <em>P</em>: a prime.</item> | <item>@param <em>P</em>: a prime.</item> | ||
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| − | <see>NCo.UnsetFp</see> | + | <see>ApCoCoA-1:NCo.UnsetFp|NCo.UnsetFp</see> |
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Revision as of 08:34, 7 October 2020
NCo.SetFp
Set coefficient field to a finite field.
Syntax
NCo.SetFp([P:INT])
Description
Note that the default coefficient field is the field of rational numbers, i.e. RAT in CoCoAL. This function has 0 or 1 parameter. The coefficient field is set to the binary field {0,1} if no parameter is given, i.e. via the first function NC.SetFp(), and is set to the finite field {0,1,...,P-1}. The coefficient field can be set to the field of rational numbers via the function NC.UnSetFp.
@param P: a prime.
Example
NCo.RingEnv(); Coefficient ring : Q ------------------------------- NCo.SetFp(); NCo.RingEnv(); Coefficient ring : Fp = Z/(2) ------------------------------- NCo.SetFp(3); NCo.RingEnv(); Coefficient ring : Fp = Z/(3) -------------------------------
See also
