Predefined Functions – imag
| Function name: | imag – Return imaginary part of number |
| Synopsis: | imag(x) |
| Input data type | Output data type |
|---|---|
| real | real |
| complex | real |
| quaternion | real |
Description:
Returns the imaginary part of a complex or quaternion number. The result is always a real number. The imaginary part of a real number is always 0.