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1、cylinder函数：绘制三维圆柱图; i j0 v! S" b. w
4 z4 W; D* Q% z5 S J2 S0 q2、用法说明：4 } V8 G1 a" e1 q5 Z. e* }0 \
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（1）[x,y,z]=cylinder 函数返回一半径和高度都为1的圆柱体x，y，z轴的坐标值，圆柱体沿其周长有20个等距分布的点
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8 f$ o0 F+ e& i: }（2）[x,y,z]=cylinder(r) 函数一个半径为r、高度为1的圆柱体的x，y，z轴的坐标值，圆柱体沿其周长有20个等距分布的点
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（3）[x,y,z]=cylinder(r,n) 函数一个半径为r、高度为1的圆柱体的x，y，z轴的坐标值，圆柱体沿其周长有n个等距分布的点 }1 N8 E* A" }6 ^7 ]* M
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（4）cylinder(...) 函数只绘制圆柱，没有任何的输出参量。其他参量及结果同上
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3、实例5 V* B% f# v( }
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3.1、[x,y,z]=cylinder 函数
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>> [x,y,x] = cylinder
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x =# _( H/ R! z& ?* o( S/ f" p
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Columns 1 through 170 C" e; C9 t( A, b0 I; K9 Q* Z
5 _ h- g5 p, @- [# m6 Z 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0" |# z T$ [4 |5 C
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1( W+ C" k& \ `3 \8 h
u% I! }5 r1 g( F- f* l/ O Columns 18 through 21. E9 a9 g Q( J1 [" E+ e1 @4 X. i/ V* ?1 ]. V
) t2 {% G3 b1 V9 Z- z 0 0 0 02 g+ ]+ J2 a# B6 V3 k' d
1 1 1 1
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$ p* z T3 |; E2 U, X0 fy =8 u7 z) c! j; j6 Z
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Columns 1 through 10
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0 0.3090 0.5878 0.8090 0.9511 1.0000 0.9511 0.8090 0.5878 0.3090
( B0 L# p5 J( K. y, F# p2 N* q2 f 0 0.3090 0.5878 0.8090 0.9511 1.0000 0.9511 0.8090 0.5878 0.3090
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Columns 11 through 20& a$ _/ h$ i6 s2 o/ U+ V& g
. X. Q9 `" g9 u" c8 A 0.0000 -0.3090 -0.5878 -0.8090 -0.9511 -1.0000 -0.9511 -0.8090 -0.5878 -0.30904 S& v2 |2 M9 d) z4 b
0.0000 -0.3090 -0.5878 -0.8090 -0.9511 -1.0000 -0.9511 -0.8090 -0.5878 -0.30901 y: D4 _, B1 R* x" j3 U, y
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Column 21
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8 M$ ^: }$ g* _* L! B w5 n& B0 _x =
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2 N1 G& F" o0 `" H* { Columns 1 through 17
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 04 y2 \$ h( F% B5 }/ R$ u. [% z
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1' N8 B2 D3 N3 F
2 G# x7 x" S* B3 `( X
Columns 18 through 212 G, h+ I/ D, a }, s8 {1 o
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2 T* k4 u5 M3 O 1 1 1 1
+ b7 X3 L0 P, e& M1 z0 D9 l# t3.2、[x,y,z]=cylinder(r)函数
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/ N4 X9 b- H7 l+ m>> [x,y,z]=cylinder(5)# c- S$ S$ h+ ~( n) q
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x =3 o" F. p& F& }9 M1 D: \
+ E1 N7 q5 b# E# X5 X Columns 1 through 10
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5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.7553: z j7 Y0 c" y$ y7 Z6 \/ D
5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.7553
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z. j9 O8 M, i: Z Columns 11 through 206 ^3 s, B+ \5 x; D& o1 ~) u& Q! |
& D' s' ?" d9 H- o. V/ X1 K1 \ -5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.7553 c: p2 G+ K4 ~) q
-5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.7553' |) [6 s* F! b# M$ L0 g2 x
5 z; S7 ~- `. d l Column 21
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. U' N1 z i# v2 A7 k& ] e 5.0000
, k9 e- d3 d4 H, u! D5 r( D 5.0000
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y =8 \$ g2 C D: K0 `
8 V3 I+ q0 w$ ?. `# ?" A Columns 1 through 103 `; f# r6 }5 S& L% V6 R; h
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0 1.5451 2.9389 4.0451 4.7553 5.0000 4.7553 4.0451 2.9389 1.5451
8 m: t+ O: K" f3 V0 ?6 R9 z6 Q9 e( |3 m 0 1.5451 2.9389 4.0451 4.7553 5.0000 4.7553 4.0451 2.9389 1.54519 H1 l4 V1 C' e
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Columns 11 through 20
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/ U ~% g! i' s: p7 t 0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.5451( c' k2 |; S" K9 o+ b* v% |
0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.5451+ [3 L! j; h$ ^ w4 c8 T& d
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Column 21$ g9 @" d' ?; i, r
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0
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1 _3 X& L! u( l4 o. Y* S9 i) ~z =
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3 `& }+ x3 U+ A" V, d2 S: w& ~ Columns 1 through 176 _+ n% z6 i; l6 ?! g1 E
. ~' _7 O$ [/ d1 X9 |: K& t 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
. z0 _7 y& o3 ?2 w 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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Columns 18 through 21
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0 0 0 0" J( }" Y F* U, t$ z
1 1 1 1>> [x,y,z]=cylinder(5)7 X4 P! H- P0 a/ k3 p) L( I6 L K
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x =7 B7 B+ v t! K8 C
* h2 l/ O) s8 B: T: f5 S6 o: j, k1 J$ _ Columns 1 through 10
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; J: a4 M3 g; K& q. K: o8 P0 Y$ K 5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.75537 c2 N" y( w' m4 c
5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.7553 ~3 V( z: x: \) P# |4 H
6 k6 R! C7 f8 S9 p Columns 11 through 20
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-5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.75535 C4 b) M% ?$ x) ~- D
-5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.7553, r4 ~" r6 @* x( K( G2 I G& K" O7 A
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Column 21% W. g3 {0 O! S! L9 z2 K
, z( V+ R S. P 5.0000
) H2 a Z* ~; o' n. m 5.0000
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9 o+ T; S% ]) _# Z0 i# oy =
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Columns 1 through 10
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0 1.5451 2.9389 4.0451 4.7553 5.0000 4.7553 4.0451 2.9389 1.54514 V/ }! l$ q/ t: O& b
0 1.5451 2.9389 4.0451 4.7553 5.0000 4.7553 4.0451 2.9389 1.5451
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, f$ I1 }2 O7 Y: I Columns 11 through 20# [9 ^$ t0 L ^
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0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.5451
" ?8 h# ]" b: Y 0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.5451: M1 h# M7 j$ k
/ b* E+ T1 K; {' J4 }, X Column 21% i6 @8 ~! U% M* M# J
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@" Z' ~; L' r. K! a- E6 `z =
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/ N$ p, J; e9 k5 N0 ` Columns 1 through 17
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& a7 K" V( v% z& A& w8 [ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
3 d& A! P, O. E" ~4 n6 |3 S' I4 r 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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8 o. c Y( M/ v+ [7 K Columns 18 through 21/ W- Z" S$ h: p" R8 v& o
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5 D. q( E$ m( V: u! q6 `& Y 1 1 1 1
7 n+ B) a! w7 C. r' T( ]3.3、[x,y,z]=cylinder(r,n) 函数
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- j0 L7 k: f2 _4 N. n0 i q+ T>> [x,y,z]=cylinder(5,10)% _+ ^0 F1 I& j6 ]& j
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x =8 d( B3 X$ f; k. Z ~" ]
% f. S) T- U b4 T$ v4 H, @* l) S Columns 1 through 106 a7 e0 k9 U1 Y( R+ ^# W4 ]9 h
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5.0000 4.0451 1.5451 -1.5451 -4.0451 -5.0000 -4.0451 -1.5451 1.5451 4.0451: G: s% l& ^( L% R- R4 u
5.0000 4.0451 1.5451 -1.5451 -4.0451 -5.0000 -4.0451 -1.5451 1.5451 4.0451
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- \* H' U: C, c8 D; c Column 11
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- J, @7 g' x( D3 R 5.0000
5 v5 c' L- p$ J s4 \6 B! u* G 5.0000
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1 d2 Z1 d7 P: Y( ^8 Q- }' a4 {+ ?y =, h; i1 T/ e4 |
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Columns 1 through 10
0 y0 h% h c& y0 e: ?0 U% E/ t: y! B+ ~. y
0 2.9389 4.7553 4.7553 2.9389 0.0000 -2.9389 -4.7553 -4.7553 -2.93895 @* x7 l# u) X9 A
0 2.9389 4.7553 4.7553 2.9389 0.0000 -2.9389 -4.7553 -4.7553 -2.93892 x" \4 e J" {' e# ]3 w% b- e; U
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Column 11
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8 [0 m3 x8 C, n% q, K3 p: U 0) E9 F) O8 M: K# V, \
" r7 x; B7 X S6 n2 J+ l" s
5 L" C1 d* y0 X7 Mz =, Z! I9 x3 v$ N0 X; p, V! b
6 `' k1 L" K7 `: ^8 N8 E 0 0 0 0 0 0 0 0 0 0 0
; [& X$ v8 k+ L 1 1 1 1 1 1 1 1 1 1 1
. \# P) |8 P3 ^. _3.4、cylinder(...) 函数& z) |$ M) {+ F- X. s! w
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>> cylinder(5)
8 p2 R- m6 o5 H& Y: ^, Z绘制的圆柱图* }; B% k7 z- z
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发表于 2021-5-18 14:50
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