What is the Argument of Complex Numbers? The Argument of a Complex Number is an angle that is inclined from the real axis towards the direction of the Complex Number which is represented on the Complex plane. We can denote it by "θ" or "φ" and can be measured in standard units "radians".
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Arg [z] is left unevaluated if z is not a numeric quantity. Arg [z] gives the phase angle of z in radians. The result from Arg [z] is always between and . Arg [z] has a branch cut discontinuity in the complex z plane running from to 0. Arg [0] gives 0. Arg can be used with Interval and CenteredInterval objects. » Arg automatically threads over 5Jd2dqT.