imag

Syntax

R = imag(z)

Inputs

z

Any valid scalar | vector | matrix.

Type: double | integer | logical | struct | cell

Dimension: scalar | vector | matrix

Outputs

R

scalar | matrix

Examples

Simple scalar input:

imag(2)

R = 0

Imaginary inputs:

imag(4i)
imag(1+2i)

R = 4
R = 2

Matrix inputs:

imag([1,2,3])
imag([i,-2i;1+i,1-i])

R = [ 0 0 0 ]
R = [ 1 -2 ; 1 -1 ]