z=x+iy, x,y , i , i2 = -1, |
z=x+iy z=x-iy . |
z=x+iy z=0, , x = 0, y = 0. |
z1=x1+iy1, z2=x2+iy2 , : x1 = x2, y1 = y2. |
-
x, y, z U:
u, v, w. :
, :
φ, ψ, χ ;
- U xyz U' uvw;
I (u,v,w),
U.
:
.
. .
: |
-
V . . |
1) Oz 2- . |
2) xOy . . |
. . |
. . .
: z=x + iy |
z1=x1+iy1 z2=x2+iy2 |
: |
1) : z1+z2= (x1+x2)+i(y1+y2) |
2) : z1-z2= (x1-x2)+i(y1-y2) |
3) : z1*z2= (x1x2-y1y2)+i(x1y2+x2y1) |
4) : |
, y1, y2 , 1, 2, 3, 4 |
-
1) |
K-const |
2) |
3) v |
4) v V1,V2,V3Vk, V : |
5) . |
f(x,y,z) f V, (Xo,Yo,Zo) |
f(Xo,Yo,Zo) - f(x,y,z) V. |
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