CAtan
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Function Description
Returns 
,
the principal value of the inverse tangent of a complex number 
, i.e. the principal
value of 
for which 
.
The Nematrian website uses the following calculation, see Bronshtein
and Semendyayev (1985):
For details of how to pass complex numbers to and from the
Nematrian website and on principal values of complex-valued functions please
see Complex Numbers
Introduction.
NAVIGATION LINKS
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Output type / Parameter details
Output type: Double()
| Parameter Name | Variable Type | Description |
| z | Double() | Complex value for which to evaluate function (use a two element array, first element is real part, second element is imaginary part) |
Links to:
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Interactively run function
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Interactive instructions
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Example calculation
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Output type / Parameter details
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Illustrative spreadsheet
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Other Complex numbers functions
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Computation units used
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