What does j stand for?

Imaginary unit

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Samples in periodicals archive:

When typing complex numbers into a Mathcad formula, it is important to note that i or j alone cannot be used to represent the imaginary unit.

Signal integrity applications of Mathcad, Part 2: Mathcad can solve ...

Nyquist plots are nothing but the complex plane diagram of the complex impedance Z* = Z' [+ or -] jZ" where j = [square root of -1] is the imaginary unit.

AC impedance analysis and EMI shielding effectiveness of conductive ...

ivt]R(t) dt (3) where v = frequency, i = imaginary unit, R(t) = corrected head, and t = time.

Barometric and Earth-tide induced water-level changes in the ...