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1、cylinder函数：绘制三维圆柱图
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2、用法说明：2 K) s9 ^8 ]! n7 i# ?
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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1 _0 \0 ]9 W X; g k4 s8 }8 M
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（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. A2 Y. n @" x+ B
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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
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9 E! E9 o$ u8 N& l" j; F% w2 C$ B4 t（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" A/ v: r# _! s$ o# ~) G
" N- q v) Q9 y2 c5 W q3.1、[x,y,z]=cylinder 函数; i8 T& P0 H1 \8 [" [. |) n6 R
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>> [x,y,x] = cylinder, r: b5 [0 C6 y& \- M
5 [, i' c& m' B& j% @x =
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Columns 1 through 171 M4 d! {; ]+ ^* [% P7 ]* O; t
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
- T" Q% }8 o9 v8 j 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
5 y4 B2 y8 ~9 f- U, a2 r 1 1 1 1" N. }0 Q. n5 i
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0 J5 Z3 P5 D- Vy =
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$ f4 v9 x3 D' C7 s9 h+ p 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 0.30907 k9 ~$ v, c, T2 e5 q- M/ Z5 ^
0 0.3090 0.5878 0.8090 0.9511 1.0000 0.9511 0.8090 0.5878 0.3090
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- x, \. n4 J" |/ ~ Columns 11 through 20
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" c1 C+ N. M8 h" X( G1 X 0.0000 -0.3090 -0.5878 -0.8090 -0.9511 -1.0000 -0.9511 -0.8090 -0.5878 -0.3090
) b6 H7 d" Z' K. S4 G: y 0.0000 -0.3090 -0.5878 -0.8090 -0.9511 -1.0000 -0.9511 -0.8090 -0.5878 -0.3090" {5 s$ L& E2 X% {' ?/ e
+ {. }. `4 t) S" m' n# a- \ Column 21& I& {. ~+ Z/ [ F9 n p8 T; v5 G
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+ \: o/ s' S* @- @8 ]. t. p; f
x =
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Columns 1 through 17
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9 K& R9 l, ?9 k$ g' C2 R1 @# _ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
3 i: ]6 P: n; k 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
9 G8 j$ h# E* [- ?- Y+ N. H+ H, ^( i! P3 U9 g7 X. B, ~3 C0 `
Columns 18 through 21! |2 R- q, }$ i
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0 0 0 0
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3 l G, p, [, c, h3.2、[x,y,z]=cylinder(r)函数) W7 N5 _6 ^8 {) Z* D7 y+ ^0 q) D
9 t2 g3 [) y% o5 p>> [x,y,z]=cylinder(5)
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x =& w# T y N, v
2 r/ z/ h5 c5 c6 P$ q3 v. ] Columns 1 through 109 Z) W I2 [! I& |
' t" m9 p& H, m& ?4 M- k2 A: p4 f 5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.75538 k$ i9 [; O0 t' h, ^+ F/ s a5 y4 }
5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.7553 E, b9 b( l; {0 ^' h. @ |+ M. l
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Columns 11 through 209 k8 V( m3 w- U$ y7 d; Y
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-5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.7553
; @( C A: K5 G# v! h6 _ -5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.7553
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Column 21% E% N9 L, X- O; [3 ~- V* P
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5.0000
$ q9 R. ]! ^5 U/ h$ a& P 5.00007 H/ q; ?6 G- l0 Y1 o
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$ i# y, H3 `: l5 fy =$ t. f. t0 G& I" e
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Columns 1 through 10- E! _5 ]1 O. w7 @0 f
* `7 U! e, g1 ]& E 0 1.5451 2.9389 4.0451 4.7553 5.0000 4.7553 4.0451 2.9389 1.5451" C) R* K8 ~8 B4 c
0 1.5451 2.9389 4.0451 4.7553 5.0000 4.7553 4.0451 2.9389 1.5451
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Columns 11 through 20
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$ s) x G' ?- \' i 0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.5451
( ^5 J2 N. P0 D5 n4 o1 ^ 0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.5451
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( A ^" w3 X. H" ~5 p Column 21& k! Z/ p( l* L4 l
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0
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z =4 A% H0 [+ U7 n
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Columns 1 through 17
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1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1/ x) f5 j# n5 \
$ I: v4 K! Q: \( \9 F# g Columns 18 through 21
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0 0 0 0
% r) v. F' a7 U/ M; c# \& | 1 1 1 1>> [x,y,z]=cylinder(5)
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$ C( `' _2 E. T Columns 1 through 10
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" Q6 z7 P/ x4 [) e2 {! u' l3 y 5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.7553
8 _, S# {9 \& P% T3 }/ \ 5.0000 4.7553 4.0451 2.9389 1.5451 0.0000 -1.5451 -2.9389 -4.0451 -4.7553
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Columns 11 through 20
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( Q9 Y- `! { t -5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.7553 Y- F/ R+ J. A2 ?8 q/ Q$ L5 F
-5.0000 -4.7553 -4.0451 -2.9389 -1.5451 -0.0000 1.5451 2.9389 4.0451 4.7553* b2 ]. }# K( v4 R$ c% W, b6 r
* z& r R# Z, _; e. ^$ C Column 217 U' {# G9 \% T, M: q
8 \/ n, O- ~# R 5.0000
# b) v: w! H3 y0 r& ]9 x* K; F$ T 5.0000
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" o1 r6 P8 I; r) c9 x( r6 Q6 k9 t" `" h( Q. |1 x$ j
y =2 s; Z4 N; `1 ?) W4 O
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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 1.5451
, k/ W$ |2 l" P: C 0 1.5451 2.9389 4.0451 4.7553 5.0000 4.7553 4.0451 2.9389 1.5451
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Columns 11 through 20- g! B: z5 ?+ B
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0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.5451
+ W; I, S/ A8 O( r 0.0000 -1.5451 -2.9389 -4.0451 -4.7553 -5.0000 -4.7553 -4.0451 -2.9389 -1.54516 X$ S; ^+ y0 H/ W
$ K) }$ H7 Y4 p* a; d/ }; J Column 21& f, f# j, Y5 {) m i8 [& l% R! L
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7 ?5 ^7 c+ I' c3 Q 0
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z =( {% X N; d! E. J( G
! G. X( K$ z( a6 N Columns 1 through 176 ?' Z8 q l( K
2 w# u6 R- y6 V3 D/ X 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
8 n+ T, f1 r3 P3 l5 ?7 O) h* S 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
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: X& E8 B2 i+ A# B Columns 18 through 21
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0 0 0 0. Y, y& }! @1 k& z. E- {7 L: J
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3.3、[x,y,z]=cylinder(r,n) 函数
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8 E( [0 e6 A+ o) K>> [x,y,z]=cylinder(5,10)0 i' D8 P0 O4 O7 B+ C
8 q/ ~* `9 e+ Vx =; P7 M* G; j0 K: ^
4 {) F1 W6 e, o7 H) h$ b& y' u Columns 1 through 10/ W5 J0 j" U2 A- Y- ^7 b5 L
- Y0 c7 J# e& U% n 5.0000 4.0451 1.5451 -1.5451 -4.0451 -5.0000 -4.0451 -1.5451 1.5451 4.0451$ m# Z+ X! g! ~0 |( v- x
5.0000 4.0451 1.5451 -1.5451 -4.0451 -5.0000 -4.0451 -1.5451 1.5451 4.0451
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Column 11
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1 G0 w+ Z+ I- I4 n" Q2 F; V 5.0000
/ ^. H1 L5 R( ?: M" u- J 5.00004 c: `+ [5 l* \; z
2 Z- Y1 _; y E6 m# ~0 E
7 |9 x" ~$ v" r& _ i; N, Cy =" w1 M8 ^& P' {0 {3 l9 C6 J$ F
, O+ y6 E8 J! f. ?( W: _ Columns 1 through 10/ K* r# [) S: I- [5 H) ?
5 y9 w$ q! A% }. N* _) d/ B; s. Q 0 2.9389 4.7553 4.7553 2.9389 0.0000 -2.9389 -4.7553 -4.7553 -2.9389
/ P! Q+ }4 s7 K F, c" P 0 2.9389 4.7553 4.7553 2.9389 0.0000 -2.9389 -4.7553 -4.7553 -2.9389* i, K, R9 d J; J7 x
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Column 11
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0
0 x+ U! P1 N. N7 K$ T 0
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6 z6 C- F% v2 Q. J# h# `! O. n
# }4 y |% c1 o7 \% _3 X% }0 Xz =1 W; C" e1 s7 F
7 O+ q6 h/ ]3 W9 ?2 a
0 0 0 0 0 0 0 0 0 0 0' l; g0 D+ E/ A/ u
1 1 1 1 1 1 1 1 1 1 1
; s6 o$ F) D( n; a' V$ E& T b& E9 X% R3.4、cylinder(...) 函数
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, b" K* P: v, b: F8 \0 V+ U, t>> cylinder(5)
% H) A: v- Q& g0 O& p0 \/ ]绘制的圆柱图
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发表于 2021-5-18 14:50
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