Function atan
Calculate the inverse tangent of a value.
For matrices, the function is evaluated element wise.
Syntax
atan(x)
Parameters
Parameter | Type | Description |
---|---|---|
x |
number | BigNumber | Complex | Array | Matrix | Function input |
Returns
Type | Description |
---|---|
number | BigNumber | Complex | Array | Matrix | The arc tangent of x |
Examples
atan(0.5); // returns number 0.4636476090008061
atan(tan(1.5)); // returns number 1.5
atan(2); // returns Complex 1.5707963267948966 -1.3169578969248166 i