| Definition: | the part b of a complex number c=a+jb, where a and b are real numbers Note 1 to entry: The imaginary part of a complex number c is denoted by Im c (where I is an uppercase i) or sometimes by c″ in electrotechnology. Note 2 to entry: The concept of imaginary part may be applied to complex scalar, vector or tensor quantities or to matrices of complex elements.
|