 |
I
I represents the imaginary unit  .
Numbers containing I are converted to the type Complex.
I can be entered in StandardForm and InputForm as  ,  ii or \[ImaginaryI].
 , jj and \[ImaginaryJ] can also be used.
See the Mathematica book: Section 1.1.3, Section 1.1.5, Section 3.2.8.
See also: Re, Im, ComplexExpand, GaussianIntegers.
Further Examples
The definition of I and a famous result.
In[1]:= 
Out[1]= 
The solution to this equation involves complex numbers.
In[2]:= 
Out[2]= 
You can get rid of insignificant imaginary parts with Chop.
In[3]:= 
Out[3]= 
In[4]:= 
Out[4]= 
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT. SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION. | | | |
| |
|
