# Amplitude of complex function

by hogrampage
Tags: amplitude, complex, function
 P: 108 I can't seem to remember how to find the amplitude/phase of a complex function (I do know what to do for complex numbers, though). I know it's in my mind somewhere, but I just can't remember lol. So, for example, how would I find the amplitude/phase of: 3+j5t and 3ej4t EDIT: I know for 3ej4t, the amplitude is 3. Thanks
Mentor
P: 10,523
 Quote by hogrampage I can't seem to remember how to find the amplitude/phase of a complex function (I do know what to do for complex numbers, though). I know it's in my mind somewhere, but I just can't remember lol. So, for example, how would I find the amplitude/phase of: 3+j5t and 3ej4t EDIT: I know for 3ej4t, the amplitude is 3. Thanks
Those are complex numbers, so where is the issue? I don't even see a function in your post.
t is a variable, so what - just treat it as an unknown number (probably real, especially if t is time).

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