z z=x+iy
.
r (r2 = 2 + 2), φ -, (,).
.
r (r2 = 2 + 2), φ -, (,).
z1 z2 :
9. ?
, :
;
, :
;
, :
;
,
, :
;
;
Matlab
, , .
i,
j:
>> x=1.2+10i
x = 1.2000 +10.0000i
>> y=3+4j
y = 3.0000 + 4.0000i
"" i j - , , "" :
=1;
x=i*a
=
0 + l.0000i
y=(i) *;
=
0 + l.0000i
z=a*i
z =
0 + l.0000i
i j , - , .
, , :
z=(1.5-0.5i)(2.5+0.8j)
z =4.1500 - 0.0500i
Matlab
real imag :
Matlab
complex :
complex(2,6.6)
|
|
ans = 2.0000 + 6.6000i