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