Difference between revisions of "Documentation/How Tos/Calc: IMARGUMENT function"

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== IMARGUMENT ==
 
== IMARGUMENT ==
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=== Syntax: ===
 
=== Syntax: ===
 
<tt>'''IMARGUMENT(complexnumber)'''</tt>
 
<tt>'''IMARGUMENT(complexnumber)'''</tt>
: <tt>'''complexnumber'''</tt> is text representing a complex number, for example as <tt>'''a+bi'''</tt> or <tt>'''a+bj'''</tt>, where <tt>'''a'''</tt> is the real part and <tt>'''b'''</tt> the imaginary part.
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: <tt>'''complexnumber'''</tt> is text representing a complex number, for example as <tt>'''<i>a</i>+<i>bi</i>'''</tt> or <tt>'''<i>a</i>+<i>bj</i>'''</tt>.
  
: <tt>'''IMARGUMENT'''</tt> returns the argument of <tt>'''complexnumber'''</tt> in radians - that is, in a polar representation, the angle relative to the horizontal axis. If <tt>'''a+bi'''</tt> = <tt>'''r(cos&phi; + isin&phi;)'''</tt> then <tt>'''IMARGUMENT("a+bi")'''</tt> returns &phi;.
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: <tt>'''IMARGUMENT'''</tt> returns the argument of <tt>'''complexnumber'''</tt> in radians - that is, in a polar representation, the angle relative to the horizontal axis. For a complex number <tt>'''<i>a</i>+<i>bi</i>'''</tt> = <tt>'''<i>r</i>(cos&phi; + isin&phi;)'''</tt> the argument is &phi;.
  
 
=== Example: ===
 
=== Example: ===
 
<tt>'''IMARGUMENT("3+3i")'''</tt>
 
<tt>'''IMARGUMENT("3+3i")'''</tt>
 
: returns <tt>'''0.785398163397'''</tt> - that is 2&pi;/8 radians.
 
: returns <tt>'''0.785398163397'''</tt> - that is 2&pi;/8 radians.
 
=== See also: ===
 
'''[[Documentation/How_Tos/Calc: IMABS function|IMABS]]'''
 
 
'''[[Documentation/How_Tos/Calc: Complex Number functions|Complex Number functions]]'''
 
  
 
=== Issues: ===
 
=== Issues: ===
 
* This function currently appears in the AddIn category of the Function Wizard.
 
* This function currently appears in the AddIn category of the Function Wizard.
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{{SeeAlso|EN|
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* [[Documentation/How_Tos/Calc: IMABS function|IMABS]]
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* [[Documentation/How_Tos/Calc: Complex Number functions|Complex Number functions]]
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* [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]]
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* [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}}
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[[Category: Documentation/Reference/Calc/Complex Number functions]]

Latest revision as of 10:35, 30 January 2024

IMARGUMENT

Returns the argument of a complex number.

This function is only available if the Analysis AddIn is installed.

Syntax:

IMARGUMENT(complexnumber)

complexnumber is text representing a complex number, for example as a+bi or a+bj.
IMARGUMENT returns the argument of complexnumber in radians - that is, in a polar representation, the angle relative to the horizontal axis. For a complex number a+bi = r(cosφ + isinφ) the argument is φ.

Example:

IMARGUMENT("3+3i")

returns 0.785398163397 - that is 2π/8 radians.

Issues:

  • This function currently appears in the AddIn category of the Function Wizard.



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