j

Imaginary unit, engineering notation; aliases i, I, J.

Syntax

b = j
b = J

Description

Same as i. Provided as the alternative imaginary-unit name common in electrical engineering literature, where i is reserved for current. The four names i, I, j, J are interchangeable.

See also

• i — Imaginary unit (alias for 1i); also available as I, j, J.