DSi Gi, Vi = Z(xi, hi).
(4.1) d0
. (4.6)
:
. (4.7)
G1 S Oyz.
(4.8)
G2 S Oz.
4.4.1. I II
, () = [ P(x,y,z), Q(x,y,z), R(x,y,z)], (M) = (cosa, cosb, cosg),
(4.9)
, , .
4.4.2
, S - , +z = 1 : = 0, = 0, z = 0 .
.
.
4.5.
4.5.1
4.5.1 P(x,y,z), Q(x,y,z), R(x,y,z) I- V, S,
. (4.10)
4.5.1
,
S x2 + y2 + z2 = R2.
.
:
.
4.6.
4.6.1.
,
4.6.1.1. (x,y,z), Q(x,y,z), R(x,y,z) S,
,
L S; cosa, cosb, cosg - S.
. S
. 4.7.
L l:
.. S- , .. cosg > 0, .
, , :
.
,
=
(4.11)
2.:
(4.12)
. (4.13)
3. (4.11),(4.12), (4.13), .
4.6.1.1 ,
L-
S x2 + y2 +z2 =1.
.
.
1. :
1.1.:
1.2.: z = 0; z = 2; f(x,y,z) = x2 + y2
1.3.: , z = 0; z = 1; f(x,y,z) = x2 +y2
1.4.: , z = 0; z = 1; f(x,y,z) = .
1.5 : .
2. :
|
|
2.1
2.2
2.3
2.4
2.5 , = 0, = 1
2.6 , z = 0
2.7. z = 0, z = 2
2.8. x = a2 y2 z2, .