angle | R Documentation |
Basic complex functions (Matlab style)
Real(z)
Imag(z)
angle(z)
z |
Vector or matrix of real or complex numbers |
These are just Matlab names for the corresponding functions in R. The
angle
function is simply defined as atan2(Im(z), Re(z))
.
returning real or complex values; angle
returns in radians.
The true Matlab names are real
, imag
, and conj
, but as
real
was taken in R, all these beginnings are changed to capitals.
The function Mod
has no special name in Matlab;
use abs()
instead.
Mod
, abs
z <- c(0, 1, 1+1i, 1i)
Real(z) # Re(z)
Imag(z) # Im(z)
Conj(z) # Conj(z)
abs(z) # Mod(z)
angle(z)
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