imag (MATLAB Function Reference)

(translator=Erison, ChineseSource=Erison-20020415-4\imag.html, EnglishSource=c:\matlabr12\help\techdoc\ref\imag.html)

複數(complex)的虛部(imaginary part)

Syntax

Y = imag(Z)

Description

Y = imag(Z) 回傳複數陣列 Z 裡元素的虛部(imaginary part)。

Examples

imag(2+3i)

ans = 

    3

See Also

conj, i, j, real

im2frame image