Chapter 2: Math, Angle, and Test Operations 77
real(
real(real(
real(
real( (real part) returns the real part of a complex number or list of complex numbers.
real(a+bi) returns a.
real(re^(
qi)) returns r†cos(q).
imag(
imag(imag(
imag(
imag( (imaginary part) returns the imaginary (nonreal) part of a complex number or list of
complex numbers.
imag(a+bi) returns b.
imag(re^(qi)) returns r†sin(q).
angle(
angle(angle(
angle(
angle( returns the polar angle of a complex number or list of complex numbers,
calculated as tan
L1
(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.
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