Difference between revisions of "Documentation/How Tos/Calc: IMARGUMENT function"
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: <tt>'''complexnumber'''</tt> is text representing a complex number, for example as <tt>'''a+bi'''</tt> or <tt>'''a+bj'''</tt>. | : <tt>'''complexnumber'''</tt> is text representing a complex number, for example as <tt>'''a+bi'''</tt> or <tt>'''a+bj'''</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. | + | : <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>'''a+bi'''</tt> = <tt>'''r(cosφ + isinφ)'''</tt> the argument is φ. |
=== Example: === | === Example: === |
Revision as of 18:57, 22 February 2008
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.
See also:
Issues:
- This function currently appears in the AddIn category of the Function Wizard.