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Release 4.0 |
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Predefined Functions - cos
Function name: | cos - Cosinus |
Synopsis: | cos(x) |
Input data type |
Output data type |
real |
real |
complex |
complex |
quaternion |
unsupported |
Description:
ChaosPro automatically detects the input data type.
In order to calculate cos(z) ChaosPro performs the following calculation:
cos(z) = cos(x+iy) =
0.5*(exp(y)+exp(-y))*cos(x) + 0.5*(exp(-y)-exp(y))*sin(x)*i
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