2010-09-12, 05:13 AM
In electrical engineering, j is normally used for imaginary numbers since i is normally the current.
Like Fiel said, letters can represent anything, they are not fixed, it just depends on what you defined a priori
i could also be the unitary vector of the system (i,j,k) of coordinate vectors
Like Fiel said, letters can represent anything, they are not fixed, it just depends on what you defined a priori
i could also be the unitary vector of the system (i,j,k) of coordinate vectors