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Using Assumptions
Equations and Inequalities over Domains
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Element
Simplify
NumberQ
NumericQ
Complex
Reals
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Assumptions and Domains
Polynomial Systems
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Complexes
Complexes
represents the domain of complex numbers, as in
x
Complexes
.
MORE INFORMATION
x
Complexes
evaluates immediately only if
x
is a numeric quantity.
Simplify
[
expr
Complexes]
can be used to try to determine whether an expression corresponds to a complex number.
The domain of real numbers is taken to be a subset of the domain of complex numbers.
Complexes
is output in
TraditionalForm
as
.
EXAMPLES
CLOSE ALL
Basic Examples
(3)
is a complex number:
In[1]:=
Out[1]=
Exponential of a complex number is a complex number:
In[1]:=
Out[1]=
Find complex numbers that make an inequality well defined and
True
:
In[1]:=
Out[1]=
Scope
(2)
Properties & Relations
(2)
SEE ALSO
Element
Simplify
NumberQ
NumericQ
Complex
Reals
TUTORIALS
Using Assumptions
Equations and Inequalities over Domains
MORE ABOUT
Assumptions and Domains
Polynomial Systems
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