Difference between revisions of "Documentation/How Tos/Calc: IMSECH function"
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==IMSECH== | ==IMSECH== | ||
Revision as of 21:29, 5 May 2013
Contents
IMSECH
Returns the hyperbolic secant of a complex number.
Syntax
IMSECH( z )
- where z is a complex number as described in Documentation/How_Tos/Calc:_Complex_Number_functions
Semantics
IMSECH( z ) is equivalent to IMDIV(1;IMCOSH( z )).
To get better accuracy it is not implemented that way. With the notation IMCOT("a+bj")="c+dj" the used formulas are
- real part
- imaginary part
Issues
The function is not implemented in versions before AOO 4.0 and before LibO 3.7.
This function currently appears in the AddIn category of the Function Wizard.
