Math, Angle, and Test Operations 2-19
angle( returns the polar angle of a complex number or list
of complex numbers, calculated as tanL1 (b/a), where b is
the imaginary part and a is the real part. The calculation is
adjusted by +p in the second quadrant or Np in the third
quadrant.
angle(a+bi) returns tan
L1
(b/a).
angle(re^(
q
i)) returns
q
, where Lp<
q
<p.
abs( (absolute value) returns the magnitude (modulus),
(real2+imag2) , of a complex number or list of complex
numbers.
abs(a+bi) returns (a2+b2) .
abs(re^(
q
i)) returns r (magnitude).
4Rect (display as rectangular) displays a complex result in
rectangular form. It is valid only at the end of an
expression. It is not valid if the result is real.
complex result8Rect returns a+bi.
4Polar (display as polar) displays a complex result in polar
form. It is valid only at the end of an expression. It is not
valid if the result is real.
complex result8Polar returns re^(
q
i).
angle(
abs(
4Rect
4Polar