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SEARCH MATHEMATICA 8 DOCUMENTATION
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE
DOCUMENTATION CENTER
FOR THE LATEST INFORMATION.
Mathematica
>
Mathematics and Algorithms
>
Number Theory
>
Algebraic Number Theory
>
Mathematica
>
Mathematics and Algorithms
>
Mathematical Functions
>
Number Theoretic Functions
>
Algebraic Number Theory
>
Built-in
Mathematica
Symbol
Algebraic Number Fields
Tutorials »
|
AlgebraicNumberTrace
MinimalPolynomial
NumberFieldNormRepresentatives
NumberFieldClassNumber
See Also »
|
Algebraic Number Theory
Number Theoretic Functions
New in 6.0: Symbolic Computation
New in 6.0: Mathematics & Algorithms
New in 6.0: Number Theory & Integer Functions
More About »
AlgebraicNumberNorm
AlgebraicNumberNorm
[
a
]
gives the norm of the algebraic number
a
.
MORE INFORMATION
The norm of
a
is defined to be the product of the roots of its minimal polynomial.
AlgebraicNumberNorm
[
a
,
Extension
->
]
finds the norm of
a
over the field
.
EXAMPLES
CLOSE ALL
Basic Examples
(1)
Norms of algebraic numbers:
Norms of algebraic numbers:
In[1]:=
Out[1]=
In[2]:=
Out[2]=
In[3]:=
Out[3]=
Scope
(4)
Integers and rational numbers:
Radical expressions:
Root
and
AlgebraicNumber
objects:
AlgebraicNumberNorm
automatically threads over lists:
Options
(1)
Norm of
over
:
Applications
(1)
is irreducible in
:
Since
AlgebraicNumberNorm
is multiplicative, having a prime norm implies the original number is prime:
Properties & Relations
(3)
AlgebraicNumberNorm
is multiplicative:
Units in a number field have norm
:
Compute the smallest field that includes
, i.e.
:
Compute the norm in that field:
Neat Examples
(1)
Plot of norms of elements in
:
SEE ALSO
AlgebraicNumberTrace
MinimalPolynomial
NumberFieldNormRepresentatives
NumberFieldClassNumber
TUTORIALS
Algebraic Number Fields
MORE ABOUT
Algebraic Number Theory
Number Theoretic Functions
New in 6.0: Symbolic Computation
New in 6.0: Mathematics & Algorithms
New in 6.0: Number Theory & Integer Functions
New in 6