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1.碟形弹簧9 H$ {% Z- v6 F: W% u- X' S8 r
' B7 t- E5 C; f; z# `# f0 z
2 t$ |/ O( v$ D3 x; Q圓柱坐标& u) s% K2 D. V$ l1 A# i# \8 ?
9 f4 y8 u. K9 ?6 U' K
r = 5
2 ~/ |9 O' U4 _9 B5 ?theta = t*3600
& y5 K# V# A5 `* |) Az =(sin(3.5*theta-90))+24*t/ P( F6 G, J- F% d
% k0 \! }' P7 H
+ O$ k" l9 z A0 I# P; g) I
2.葉形线
7 \& M4 H+ N! L, r$ R: c
) U- Z. u! S* o& V
' @; G% D. n/ b6 j) I0 \笛卡儿坐標标
3 r5 _0 U% _8 V/ F- J
7 T0 \4 j- w& C6 ja=10
9 Z- b' J# T D2 r, M7 h( rx=3*a*t/(1+(t^3))
/ a0 i( [1 A* Sy=3*a*(t^2)/(1+(t^3))
' g! J) Z0 s: G7 u* ^
& [" _5 D- {( n9 v( P3 O' E- j- B
3.螺旋线(Helical curve)0 c- ?+ M0 j3 z
* e+ C3 D7 ]! a" a; J1 o# R
7 S" @: O7 @* f. p) F
圆柱坐标(cylindrical)
. T4 [: K2 t$ G# [7 E# x) w9 W6 Z( r! ] y5 O; G* v- `5 s. {& e* P
r=t" [2 Z+ M& ]4 H9 G
theta=10+t*(20*360)
0 q2 W8 b) v. cz=t*3
% ~. H& }% f& w7 J0 t3 B2 m( t1 G8 R( L' o) i5 ?8 j+ T* t; b
) L; `7 b1 ?; B' b4.蝴蝶曲线
" P# Q7 Y7 l9 b/ b
6 R+ F* y9 i, h: @ D$ k. C0 D0 N. ~% q8 b7 B% ~* I2 t
球坐标 X% S- j/ E0 M5 F i
3 L* E u8 a' Wrho = 8 * t1 r$ v! Q `, R' Q0 F
theta = 360 * t * 4
+ ?, K9 O7 K3 O" H' m% bphi = -360 * t * 89 c* `+ g. I2 ]+ b3 p
3 A- x4 [6 n- h, @4 o9 U
" m7 t( Y3 T8 M& W3 N! P
5.渐开线
6 ]- ^. w; i* p4 h% E
: N7 r% G: y! t9 [
4 n- H9 h9 ^; U) {7 c* {+ E- A笛卡尔坐标系, R, _* @- e) j$ f7 k( o
]% F" m# E% i
r=1" @1 p( ~6 ^* N6 C3 l. ~
ang=360*t
* n6 ^1 u1 {/ x' Ls=2*pi*r*t
0 O" S4 k. |! s" R2 ?. W; ]: F- V& xx0=s*cos(ang)1 U* n2 \$ w, J! X
y0=s*sin(ang)
% u/ v9 ^5 m! _5 Dx=x0+s*sin(ang)% u6 B- f" X P* y
y=y0-s*cos(ang)
; ]: [8 w7 g* z0 x% pz=0
; i, {# u# Q9 z+ _# V Q
; _- p6 S, E1 J+ ~
& v9 R, e2 n3 m0 @+ R; X; B% Z6.螺旋线.
6 W9 W- {8 l6 R0 d# L8 x! R" h+ @' F8 O8 ?$ S- o) c
2 {! b7 o3 w8 q3 w, q笛卡儿坐标
; [1 S. L4 F% {/ ] P, `0 f( T
3 ^/ m0 g6 W1 D" w- B/ jx = 4 * cos ( t *(5*360))# I. {# h/ C% I6 [2 w1 t
y = 4 * sin ( t *(5*360))
( `2 {( S5 R, {+ Q1 ]( Dz = 10*t ) R0 {7 `' K8 a2 E! S/ [1 f
3 L1 S$ W n, ^
: r; S- i6 r' }" a/ e7.对数曲线1 y ]# \* j% {. N6 _4 ~0 }
# M3 c& b0 P/ Z: F! l5 N, |9 M0 c9 w# p. z4 N! j Q' F
笛卡尔坐标系
+ j3 R' X) m# O1 R
; k; \" I. O( H2 O" Gz=0
( _9 M0 X F( }1 c3 [/ D1 Zx = 10*t
% y. P1 X/ \( Z ly = log(10*t+0.0001)
1 Z9 v" O- c5 Y% \) J5 U! N# R" Q" ` U$ T
6 S! f) w. E$ r, G9 `! l
8.球面螺旋线
. t& T! y! A# A" a% {; S/ O- x
0 h' A! [9 }7 z1 n0 _" F球坐标系$ \9 L p/ o0 H% A1 h. C
: V+ Z7 E( o& p- k; grho=4# U: E# H F K! Z* ?
theta=t*180
0 L9 p6 Q# \ ]2 n. zphi=t*360*20
1 j4 ?) P5 t7 A* O) b$ G' h, p2 p! q1 \) N
! O" F6 v% X z+ L
9.双弧外摆线
1 G" c3 d& d; Q: S/ M
0 l4 E$ u; B% l; e
8 n; [6 @6 D( G% l! K) \/ P卡迪尔坐标
4 p# u4 x$ q. A' A/ Z9 }$ f' r2 C6 d
l=2.5/ v3 B1 J ^$ L, H& r+ e( z8 s$ g
b=2.54 D( s. n, A5 w* S5 v
x=3*b*cos(t*360)+l*cos(3*t*360); ~" {& q1 T Y: ?+ T( N
Y=3*b*sin(t*360)+l*sin(3*t*360): |/ H8 H! c$ f+ U" }- h% i5 _
3 E u# C: i% A+ u
5 |1 y9 b" O6 {' b6 F4 q& D
10.星行线
: l- |$ V9 }& _4 L B. ?
' Q4 p5 Z5 r" |6 }: k6 \' Y% w* h7 ]+ S- I* z2 y: P" r
卡迪尔坐标
8 N9 k4 K1 v Y @6 I" _. g9 n* r5 \9 Q, g. x
a=56 n# ?: X, L# H8 g: l
x=a*(cos(t*360))^3/ B9 b% V S# h+ T! v. }# h2 _
y=a*(sin(t*360))^3* |. n: y$ ~9 @! x( A9 @
0 y" |% _0 c/ i1 N& l1 F5 ?8 _1 |% X% ?) c
11.心脏线
2 w3 V. n: h- v
- A6 V7 X( M" W6 Z V圓柱坐标9 q( [% q$ l* q8 M6 B/ c0 B
1 |1 K( J. w2 N/ P* u0 X$ o
a=10/ f+ f+ C0 T: l9 Z
r=a*(1+cos(theta))# T- E; c: d$ q
theta=t*360
% `) e# B! p5 _1 z
y0 q$ x. t3 [2 ~+ o$ F7 C7 W/ K
12.圆内螺旋线
3 ~( E }4 v/ T" Y/ T( y$ ^2 q0 I& Q" B
柱座标系: q4 Q9 j- H; l- i+ D
# z+ h+ K# W! o
theta=t*360
8 H3 H; I E' ?1 \, q9 l) Hr=10+10*sin(6*theta). h4 n4 T6 r) `
z=2*sin(6*theta)8 L2 g* V5 [, G" r, b+ o
( V! K4 A8 Z/ b
8 z7 u# g; {1 T I, g) e7 l13.正弦曲线1 M% Q/ q. A: F& X) ?
7 i2 X, \0 r3 L; d
笛卡尔坐标系" o9 n" V& m# J3 O
0 ]) ^2 K3 H! W9 r( ^6 f3 ex=50*t& W+ A4 B3 U7 f7 |* S. H7 E
y=10*sin(t*360)
! j7 c X3 s: V; q. Zz=09 `5 u* ^' Y- t& Y( g
) Y! ^+ x6 P' B" k- T8 Z
* l9 T0 g6 d7 F& V5 M9 X# W/ W14.太阳线
; V, Q# @5 z& ?+ [2 m3 h! `* _& g8 w9 l5 p9 Y" ~+ E
柱坐标6 q( V2 r0 I+ D, k _4 C) D7 t W
r=1.5*cos(50*theta)+1
% ^9 H/ X! K8 W( Z! vtheta=t*360
7 E; T9 }5 h- Uz=0
9 Q/ z2 I6 q! y3 C; m! |+ i- O; b: m* L. o3 w$ ~3 f
# B& _4 m& ]7 F& ~4 q9 J! F
3 C; E. n6 J: D, C15.费马曲线(有点像螺纹线)
# O% G4 U# C# S6 t6 j; R7 I9 X- K& {
5 |5 {8 R$ M$ Q0 N) V7 {4 u数学方程:r*r = a*a*theta
* p$ _/ e$ H( ?+ k3 L! q# N! U圓柱坐标
4 M3 k) S2 n& g9 c6 J
* s8 r- [9 x+ A. R1 H0 Q方程1: theta=360*t*5: }' p$ S+ U% o7 P1 `1 o' U
a=4% A4 G2 ]3 Q" W; o0 B Z
r=a*sqrt(theta*180/pi)
2 | M* b* O& x4 V5 F8 n! K3 x% e/ }' Q n1 ]& n: f7 k& D) z
方程2: theta=360*t*5# O& V L; S+ I
a=4
' K/ Q# P( z+ @9 v+ v3 or=-a*sqrt(theta*180/pi)
3 ^3 ]& J5 s Q4 q9 d. L! P由于Pro/e只能做连续的曲线,所以只能分两次做. k6 N2 X$ r( t7 o& Q
+ b' N0 h2 L. Y, v8 S
4 P2 c# p/ G: c/ Q5 \8 ~
16.Talbot 曲线
& X7 V. k; k: M卡笛尔坐标; u9 G2 V9 k7 j* P- d8 _/ c
0 b9 a5 E7 w. M) \; ]
theta=t*360. o* G- s+ j3 e+ Y/ q
a=1.1
& p7 g4 \' G! v4 e, U+ v- P7 gb=0.6667 b! q6 P! }3 d/ O9 ]0 F9 d A% ^
c=sin(theta)
5 A& v) l+ y2 g* k* K+ W4 Af=1+ Y! o6 x# b7 f; Q' p
x = (a*a+f*f*c*c)*cos(theta)/a1 O. N* g0 m9 r
y = (a*a-2*f+f*f*c*c)*sin(theta)/b
8 s1 Q X# i2 Z7 [: R2 K T; s6 Y2 W6 X, L
( r, X9 W T3 w- v, S
18.Rhodonea 曲线
* J: T4 q* `& Y笛卡尔坐标系
4 X* l$ C! @. C! l1 I2 ]6 h4 J, L* W c$ \5 {. v
theta=t*360*4% W* Y: O) i4 @. P0 X- k- b
x=25+(10-6)*cos(theta)+10*cos((10/6-1)*theta)! P/ H/ |8 _; A2 ]! a
y=25+(10-6)*sin(theta)-6*sin((10/6-1)*theta)
+ I4 @ Q2 e; O8 X. r0 }3 s V) d% z0 e
0 n/ {$ q+ S& G& w: E" j
19. 抛物线4 j. z0 [$ X) H7 _
笛卡儿坐标
9 t+ j! b' z9 I6 O0 v% n6 q' \* V$ ]) w3 e
x =(4 * t)
% ^; {1 x7 R! v7 Uy =(3 * t) + (5 * t ^2)+ v4 d4 T9 q! R, e/ F
z =0
1 z7 Z' G2 e, @+ J* j7 C# h }. e7 n
9 |4 Q/ I& E$ p# B$ G2 D: Z
20.螺旋线$ Z$ J( z ^& x0 y
圓柱坐标
: B4 t5 C5 \% X% F2 n/ a: y* _6 n% p
/ q5 q; ^1 i6 w/ q( {r = 5 j1 F- f3 i# V h* A3 b& s. ?% s
theta = t*18003 |3 O# L! V7 ^1 J" a: v0 Q1 N: N
z =(cos(theta-90))+24*t
6 N! s1 T6 ?8 } y- ~- \$ }, ]
/ U# |1 k" X: O( d* L1 `9 ?6 ]$ s5 p5 ~* n8 G( h
21.三叶线5 q7 c( N$ J5 z$ S" a3 @
圆柱坐标
3 r1 u/ l% T8 r5 P6 p! u* @; ^; w; e9 ?9 D$ O) t
a=1$ w9 n4 @! l9 p0 l6 f
theta=t*380
1 V- P. L8 T+ r# I: q, G/ Yb=sin(theta)
" }5 c2 _$ C; o2 ?. j% c8 ]! Jr=a*cos(theta)*(4*b*b-1)3 J: I+ h# `' T- s
! W% c: `1 T0 D9 i& @) o: A
, T' V' c$ S# `3 @/ k; x. r
22.外摆线! X f: h2 q% B! m/ V0 e$ p. k: G
迪卡尔坐标. Q% p6 |: y0 d Q6 m, W
l4 a* b8 x' j2 _7 n6 a' wtheta=t*720*58 r4 S/ J% J7 D/ X7 s+ h
b=80 m& Q. v$ Q+ K. S
a=5
3 H6 ?, y" K/ sx=(a+b)*cos(theta)-b*cos((a/b+1)*theta)( G% _5 t6 E2 o
y=(a+b)*sin(theta)-b*sin((a/b+1)*theta)
+ j+ O8 A. E* M$ u8 f2 A" t: R3 f4 dz=04 Y( n/ i# Q8 q7 T
, `5 P1 X& Y3 d4 G
, }4 |' d+ M. R I: d23. Lissajous 曲线. J) R% H x/ Q. b
3 {1 W' v) [+ f; h: B9 s+ ?theta=t*360: h8 T, a/ e5 U5 G( x* {% Q" s, P' g
a=1
' T2 D' A6 D2 f2 ?) b( J/ yb=18 @/ r6 n( S# x: ]! A
c=100
, {9 i. ^/ {0 `# \6 hn=3
' K- [& F0 f# d" K6 [x=a*sin(n*theta+c)
" K. L4 F: i/ x3 uy=b*sin(theta)8 M6 ^: l+ }9 z6 \' H6 k9 B% `
, p! k' g5 c1 z# z( C# n. F
% G$ H9 H5 n" }& p' r3 z6 n$ `
24.长短幅圆内旋轮线
7 z8 @1 x. j0 z$ e7 u0 g8 l% k卡笛尔坐标
, ?; `/ z, M o
) S1 z/ m( t# Y2 ?' X0 M5 \a=59 `6 W) s3 E. e
b=7
* k$ B5 S3 b% y# a2 \; i# `9 Qc=2.2. v6 j# U* R% s3 @; C
theta=360*t*108 b& e- t; W- `3 j
x=(a-b)*cos(theta)+c*cos((a/b-1)*theta)1 n! F5 x, x3 @0 w: h6 }1 B7 Z
y=(a-b)*sin(theta)-c*sin((a/b-1)*theta)4 z; p" M% I8 @- p8 S! }& n
; k+ U) r3 U6 A0 Y7 X+ d' t
$ W: U0 t& `/ S& p25.长短幅圆外旋轮线
? j# D6 a) H卡笛尔坐标) r; b8 L- n; P1 ~" `6 M
1 g [2 W% j( ytheta=t*360*105 a* X! y4 B0 z5 S- v
a=5
. {" [; U( V4 j" G8 j& Yb=39 ^6 D8 j4 y3 ]- R- a
c=5
% _* [3 |+ r9 y( S0 ^x=(a+b)*cos(theta)-c*cos((a/b+1)*theta)$ Z* I6 O- E* @' L# l. U% J( i2 J
y=(a+b)*sin(theta)-c*sin((a/b+1)*theta)
# J* Z c! `! n/ p. S. Q& v) p1 Q ^7 Q5 n1 o% D$ y4 J k! ]
. W# H) o$ R" o* p! a: F) W26. 三尖瓣线
- c. u6 `9 O/ l8 X8 C5 s0 x4 ]6 d: U" k$ O1 H9 k9 k6 X8 c3 b
a=10
4 [6 h( W% `/ w4 j$ `9 _6 ox = a*(2*cos(t*360)+cos(2*t*360))3 [9 s9 e8 Y& i1 v4 W& ]
y = a*(2*sin(t*360)-sin(2*t*360))7 f" c" Z v$ E# k/ H
# Y( P* s( ~! I* c1 @: _" l* q
0 w) ?8 s" {" m" L7 ?- Y1 m
27.概率曲线!
, `0 {+ G( M1 J+ `3 y8 |笛卡儿坐标$ T3 s+ R" h& y) N5 E
( e# T, K' w* h: I) f
x = t*10-5
: S7 f1 @3 C& l) Q/ C; \- Ty = exp(0-x^2)6 a. Q0 O( }7 V
8 {9 S$ a% p0 ], [" S* i+ I
0 s# }) F1 S4 d. `' P2 r
28.箕舌线; n8 j K- R7 c( E
笛卡儿坐标系! g! j# {' O P( _. w
6 V) Y' T% s) W" q9 n/ f
a = 17 A: x% l& Y0 r2 L$ }
x = -5 + t*10
j; v* B4 `3 f- Oy = 8*a^3/(x^2+4*a^2)
; E6 N3 _9 ~5 D' u) q; j2 D3 {) e7 p1 g, M5 U c0 T
2 e1 b% d1 {9 Q5 w
29.阿基米德螺线
* L; V' `# ~3 L8 l柱坐标
' m5 c& G( {# f5 a$ h/ |% n0 _ ?# n! ?
a=1001 q0 k$ |( E3 P
theta = t*400
2 S: _- q) p9 n3 C' {r = a*theta
+ u1 Q% R5 H) `/ J( H) M" g3 J6 X! m3 f- s' S' r
" F% L1 X# U: H* F6 O+ W0 D4 Y
30.对数螺线- o* p- j+ U4 X" A0 u0 n5 d+ Y+ J" C
柱坐标/ ^$ X! p, a, @9 U' A
8 @) A8 Z/ U0 Z# A7 [theta = t*360*2.2' q g" D% P2 O- A; P
a = 0.0050 a! W; E% \$ s- T* m
r = exp(a*theta); x( ]' ?& C; j/ l5 C6 z
! g+ D) z0 J$ u" i" h ]/ N; s, o, c
31.蔓叶线
* |. ~0 F3 h8 l8 A1 Q! \$ w3 M笛卡儿坐标系
2 z8 P* A2 D. s! B' u3 t! h: u; a" d+ s% W+ r# w% z% T1 b8 }' D) F' d
a=103 J4 s/ p. _/ [& D$ g, ]$ s1 ]
y=t*100-505 _7 s, p" ^( p" }. t
solve& P$ d* A& g0 |6 T5 b; f
x^3 = y^2*(2*a-x)0 V* B P- U2 @% E
for x9 X5 D7 w- b: {7 C$ V+ z
7 D: d$ @, [9 i3 E2 u8 T
2 K$ U0 O- Y8 N' V5 G( j* x
32.tan曲线
1 _. ?5 i1 G" I$ E) w笛卡儿坐标系
% R. l6 }- q8 D4 c1 `" ~( j" U; v9 X" r& z( o0 ^) X8 P. }* z
x = t*8.5 -4.25
% |% [6 N6 E3 G* h* t$ w* }) Ay = tan(x*20)# g* E" z x7 e& ^ z6 S
+ Z: M3 H& ^3 }" r* x* D1 H
9 P2 x* }7 Q/ N* ?$ g. `) O0 [: p33.双曲余弦: ~- C9 M: Z' J7 ]/ [# x7 s
* o& M# `3 U) q! }$ y
x = 6*t-3
7 o5 r) Q9 e9 V4 [' ^" W, fy = (exp(x)+exp(0-x))/2
% V! X( G' a# j+ `6 K4 @+ S6 g' ~; c5 d( o3 b/ H! X0 P
% a/ R7 x$ T0 y0 V
34.双曲正弦
: Z, M3 C3 I" W; N( f% Y- C: k
8 U/ c8 {! N, ] g, ^x = 6*t-32 M5 \! H9 p1 ~# T% W
y = (exp(x)-exp(0-x))/2
0 }( c; Y8 R! p1 l% y7 v" w0 K
' g" W: [% z L- M3 o+ C2 Q# `% |& v }8 J# v. {! x/ G" a
35.双曲正切# B- j) u" i: h6 y
" k- t2 A; L/ o! j: ?
x = 6*t-3
" F( E9 x! ]5 Z8 L. f% [y = (exp(x)-exp(0-x))/(exp(x)+exp(0-x))
" V% y+ Q2 X* V; c8 p
% u# B* `7 P# _8 _
% U. d' b/ }5 C; l36.一峰三驻点曲线
6 W) U7 \/ x4 U( @! X1 B3 J6 ^/ v7 E: M0 E
x = 3*t-1.5& R, a i' Q& X% c* {9 ]
y=(x^2-1)^3+1" d4 f7 J S+ o% [2 c/ O5 |
# ^2 K) q0 U2 d$ f5 n; I$ B1 ]9 j: A; G/ \7 |
37.八字曲线4 k, U; N8 D. N% t4 K6 y
" s2 W$ I# ?0 P/ d8 {5 Wx = 2 * cos ( t *(2*180))
& d) V- J! X, N% B0 ~y = 2 * sin ( t *(5*360))
3 m. x `0 N+ j2 r c4 Zz = 0
4 y/ X; N1 a2 L7 n/ b7 D! m+ P; [/ p7 t( Y9 _* w. O: U
) ?+ T! F! |- n& j1 P2 \38.螺旋曲线
) O. e2 L: ~0 a3 I9 k+ [2 y5 Y; s% \2 V- w/ Y) {1 H% Y& R( o; S$ [
r=t*(10*180)+1, I. [3 P. w- ?' O% R
theta=10+t*(20*180): B' v @1 |$ Z, z' Y g( ^# v" W
z=t
0 R5 I/ ?. x% D1 S
( x {' }9 q3 g) v/ U% M: s* q+ a6 U! G6 J7 G9 r1 a7 H" u
39.圆
) G: R: S( ]: T' m8 U1 H7 X# ^
) P# X9 K7 L# c- j, xx = cos ( t *(5*180))
5 m( Y; i' D* P! f! L7 T7 B6 ny = sin ( t *(5*180))
) Y. ~! l m9 [) U) zz = 0
) a {# x1 z3 } j! V% z4 z) A. T2 A/ H- s* r
+ @# [( p. s. H! k0 E) Z40.封闭球形环绕曲线
" A5 i- L; D, p l1 y4 R! Y+ ]! v; m9 m& D+ x7 W6 w9 f* J& E
rho=2. O, c5 y5 A* Q/ f! L( T$ z/ e5 ]
theta=360*t
0 S% q. s0 e' h7 F5 G4 ]& sphi=t*360*10 ( D, u6 R5 [' j
5 k+ g5 D' ^. ~# @; | t# l; S
9 T" Y/ _( r" W
41.柱坐标螺旋曲线: v8 c1 B! b. A$ a* L
! U# x# W G- j3 G) E% ^ ~x = 100*t * cos ( t *(5*180))9 F! I2 q% ~2 x" i4 F1 o
y = 100*t * sin ( t *(5*180))4 `, b" Y) y& a$ j/ n q( P' b3 V" i
z = 0
9 a* Q0 ]% D5 `5 k7 Y. _7 U9 D, Q( T" A6 U4 X
3 X& B* x& G. ^( b! O! U
42.蛇形曲线$ @) z0 l! K& A; v. s
7 R" A3 ~+ }; P" g8 T9 E% A# ~, H
x = 2 * cos ( (t+1) *(2*180))3 _" t8 X" J$ J* Q
y = 2 * sin ( t *(5*360))8 W( Q8 m) I W, g) e/ ~
z = t*(t+1)
5 ~( N- @0 g t9 A/ ^2 O% J
, y& d. J n* m6 m1 _1 a' H ?5 }; u: n& O, F8 P/ p
43.8字形曲线1 U: F0 y% H2 e
柱坐标& Y0 H( A8 O6 X! A1 K4 q/ X* V
6 w3 p+ W$ L& L5 c8 a$ T) C9 K
theta = t*3604 N, j& E( y7 j$ J4 u
r=10+(8*sin(theta))^2
8 ?/ g* V# Q+ n/ P; k1 n- H+ s, f+ V8 j, m4 [0 i+ H
/ \# \) H. [6 ~6 a. {44.椭圆曲线
' L+ D2 }1 w4 C2 R. h4 w0 b笛卡尔坐标系
% [" c: A" @' @7 p& t% n& \; T6 D- }0 M. S
a = 104 Y) N2 N4 R b4 X7 I6 ]
b = 20
% U4 u" t: a0 Rtheta = t*360! L7 a! k8 g6 d: d/ `; C
x = a*cos(theta)
+ @& c! H; Y% \% Gy = b*sin(theta)) B3 E; R: K C$ C
( m! k' N$ u5 x8 z9 B
, i2 M3 ?+ ~9 Y' ^, F45.梅花曲线
/ b, m8 @( z2 B# K柱坐标
" [. w, O: V' M+ r, Y- I+ h% e! ~2 f/ O* J9 @
theta = t*360" r2 g, M4 }$ v: B1 p7 L
r=10+(3*sin(theta*2.5))^2; P4 y- p+ j) l0 V5 X5 b0 c* |: [
8 C6 N" Y6 l9 |. g) w
) ?/ t# k" @1 e1 }
46.另一个花曲线
* u7 ? B; P+ v y1 I/ i8 M) G u; s. R9 k
theta = t*3604 J8 O9 g9 A. L( a
r=10-(3*sin(theta*3))^28 w3 v0 q1 i D% }2 Y) C& U5 R
z=4*sin(theta*3)^2- P7 J# ]- S8 W. `! N) x, [/ n
% o8 Y5 d# w1 N" y2 e# W
9 e- ?& G; ^8 W2 E7 a47.改一下就成为空间感更强的花曲线了;)+ Z* L1 H. `. Z; F7 P
: Y3 \! M2 o4 H2 V5 F7 ~theta = t*360
2 ^! r/ w5 Y5 w7 ^r=10-(3*sin(theta*3))^26 _$ o* D$ t9 t) D' g7 w1 \" h
z=(r*sin(theta*3))^2
2 q0 g* J" j9 F" t6 M! N& ~3 g9 l/ y8 {3 U( I
, E# u& X$ m5 v- w+ v48.螺旋上升的椭圆线# X2 k: ?7 U5 e/ ]
7 C3 U" k" X( z Z% N* b
a = 10( e( j5 {' Y# I7 \
b = 20: R* Q. o+ J3 X
theta = t*360*3
) G7 _" r8 @- i+ J, Tx = a*cos(theta) h1 l6 Q) O2 i$ I# h
y = b*sin(theta)2 a. i1 d* U c1 }/ Y1 Z
z=t*12# l3 R( M% A9 h" c; Z5 V
* m0 ]# N9 H. G( N$ Y; Z# s; ]! f3 Z$ \! ~) H% b6 b. m/ K
49.甚至这种螺旋花曲线7 P6 D& T/ E, L6 k4 [
9 z, N% y+ r, }( \5 V
theta = t*360*4+ @( G- w- }0 C
r=10+(3*sin(theta*2.5))^2# e0 W& T# Y+ c- `5 s
z = t*16* r2 p2 O& H" d# x- k/ ^' S
$ ?2 l& i7 `' Q. Q/ Z
6 }7 ~1 V5 r: C
50 鼓形线
. R5 B6 Q: e5 O$ { N3 ~& u笛卡尔方程
; _. k/ I, S# d1 M
4 ?! Y- o [7 q, `* Ar=5+3.3*sin(t*180)+t& U" D3 {' C* Z h0 v, [
theta=t*360*10
9 e# M7 e! }- l. l# B' Z* E8 Cz=t*10
, G t! `$ V+ p) w# M
8 g9 Q H+ x2 B: B
1 v; }: w& f) `' o- d51 长命锁曲线
6 N1 a; z- s- @* c笛卡尔方程:' ~2 m- G8 o3 S" I8 A& i e4 {
: g2 s: W7 a% U& ba=1*t*359.5$ i! @" U8 h) y8 T" f; w
b=q2*t*3605 |! i j, z. @; N; d0 ~( W
c=q3*t*360. B, T8 b# ~ I. _ Q
rr1=w1- M3 O/ J+ ~0 ]2 x$ X8 k
rr2=w2) e5 ~" v1 M& h5 h% R
rr3=w3
& N0 `; k6 w" P- Sx=rr1*cos(a)+rr2*cos(b)+rr3*cos(c). p# l* g& W8 e
y=rr1*sin(a)+rr2*sin(b)+rr3*sin(c)
3 ^; g8 _6 I1 N/ N3 y; e* e- ?- O: C8 p" N4 G# X5 ~! M1 |6 l
* n2 K- ?/ X. E! w0 I4 a
52 簪形线
' m7 { k/ f7 h, g0 g- E* Z# K+ ~8 M
球坐标
4 |/ R+ T# k S6 ^0 {* n1 [rho=200*t4 {" j5 w$ S% z+ f1 P9 T
theta=900*t
6 Z/ ]. W P( r! J! _) v% @phi=t*90*10" g# N# D4 J. h7 T" y! f
7 i% Z* w* k8 `) Y2 O9 s) z$ `( x7 P; c6 d( W8 ?) c- m& B, m
53.螺旋上升曲线
/ k8 r5 |' g, J3 L3 K6 q
$ h' N/ {8 O- C5 l; y4 w4 W4 b; Sr=t^10" f* Q4 X6 |0 ~ \ u
theta=t^3*360*6*3+t^3*360*3*3
. U2 B* ]+ U7 f( s3 @7 ^z=t^3*(t+1)5 L* O5 M- o( c
: a" |5 G7 z x
$ I7 n" n Y6 y- R9 i7 C' J# B8 v54.蘑菇曲线
3 Q# \% z$ Q; N球坐标; s8 D6 T8 R2 n! k7 q" P
4 r/ p+ B; O8 ^. X3 S+ w9 m! grho=t^3+t*(t+1)1 |- Q, C# z. `4 U, W. i$ _0 K
theta=t*360
( }5 ?# ^9 K: R1 u( r0 Hphi=t^2*360*20*20
9 S8 X) _6 C4 y0 y N5 |' Y$ |
* U, ?- K7 h6 Z& t
4 i* N" ~$ G5 M6 d7 Q2 ]5 t55. 8字曲线; H1 S, w5 @# h4 q" c
& y6 m7 h/ h0 n: y
a=1; h' @) T) z7 f
b=1
1 C% _1 k0 |/ X8 z5 r3 Tx=3*b*cos(t*360)+a*cos(3*t*360); w1 M; s% D. O& `
Y=b*sin(t*360)+a*sin(3*t*360)) J0 }3 m* ~+ J) J
- ?" `$ }7 v4 Y1 b
+ d$ P+ i" \9 x5 O
56.梅花曲线
6 }$ y* n6 ^: G" c/ m8 b4 H9 w* \( N9 L7 A5 T* o3 C
theta=t*3600 \5 u$ p( M J, }2 T4 X" Q
r=100+50*cos(5*theta). Q. ?9 c) L+ ^# b3 [4 o
z=2*cos(5*theta)! b! P* z& S- z; `8 b1 t1 C
5 s4 I# u! o, V9 f+ ~7 j
# Y* h2 R, \/ E; U6 F( ]57.桃形曲线+ D2 q! H0 b$ d& P0 p
7 w3 a' }& a. x; yrho=t^3+t*(t+1)/ C, Z6 K" e& i) |" w4 w
theta=t*360
6 M1 S8 E9 h6 j# j8 Cphi=t^2*360*10*10! G! V. l" S" O4 i7 x \; k
; s$ e2 d+ Z+ c8 x$ j4 N f
& D& J5 \; }3 F$ |: y58.碟形弹簧
9 s2 U7 T% G7 F" A1 E" k! a圓柱坐" Y; s1 ~/ W& ~/ _$ H
; e/ c0 x* o. \3 |2 W
r = 5* Z- V; k+ p) K0 @
theta = t*36009 v9 K P$ {5 x0 A& m/ ]
z =(sin(3.5*theta-90))+24
: C) a" \" [0 i6 K
0 h# j/ h1 `, ~7 k8 H- ~! q/ {6 Y8 C- P% y- ^$ z2 p$ U
59 环形二次曲线
! n( ? k8 K$ y& _: q+ ^笛卡儿方程:
- |* X1 l' W0 G% v/ O+ R2 W2 J& p9 J7 ~( Z: a8 ~, M
x=50*cos(t*360)' c: U1 v8 u3 z
y=50*sin(t*360), k, q' u% O, |) [6 l
z=10*cos(t*360*8)3 n6 a9 `) G9 M, F" ^% x
* k' d; g, K( u. f1 ~% U4 I* A
" H$ I a/ v- y7 k60 蝶线' V9 V: V5 Q0 E7 w8 c$ l
球坐标:& q' o! ?% ]$ j
" |* s, L& R7 l9 L9 Erho=4*sin(t*360)+6*cos(t*360^2)! }+ `6 l: d3 P% y% a- N
theta=t*360
; I( w. R4 B- p7 }& K9 J- x4 d4 xphi=log(1+t*360)*t*360
2 Q% F* M; H$ ], ]! b* O
/ `7 \1 N$ T- n, v4 m, q% G# y d9 s, z1 D" p
61.正弦周弹簧
: n7 j, C. E# r1 g! m6 G0 s笛卡尔:3 ^2 h1 Z8 ^. W7 m3 a
+ M/ {, \8 I& H/ l$ f
ang1=t*360
# j/ S' E0 I9 I$ e! j- pang2=t*360*200 g0 g1 ]% o$ @- H6 d
x=ang1*2*pi/360/ W t! U; h: \9 U3 o. U1 ~
y=sin(ang1)*5+cos(ang2)
: O" {5 u# N7 |5 w' @z=sin(ang2)5 s1 Z& U8 {" E- T) j* H
' h7 T( V1 i, Q9 S
- A$ c# y4 s8 X0 P* z
62.环形螺旋线 N( p/ o* N7 {" @2 F: Y
笛卡尔:
% R4 C8 ^5 V0 V" ~; R9 K
+ n% x$ A S2 F3 ~$ D' Qx=(50+10*sin(t*360*15))*cos(t*360)' L8 E6 Y' ]( M7 V! N% W6 k
y=(50+10*sin(t*360*15))*sin(t*360)
' ~, Q3 \. R% r% Oz=10*cos(t*360*5)
3 |3 P4 O, \, L' r% E+ \1 C
0 b0 g4 c" J: M. y! \% ~
?4 ^2 j: \# L63.内接弹簧
& \$ {. G; v. Y% i: p/ m& c笛卡尔:* H8 U/ m- @3 D4 w& ~
* h3 |" G% a% t2 X: cx=2*cos(t*360*10)+cos(t*180*10), P3 |% B6 ]7 S
y=2*sin(t*360*10)+sin(t*180*10)
/ y3 u" g9 v! G' A* y4 gz=t*6# t a4 o E, k" B2 N
w4 |' s b% W6 O0 K
/ F4 ~) J: v/ J" p2 P64.多变内接式弹簧6 g1 r1 o" P9 O7 f' T
笛卡尔:
7 ]8 o0 q* r# B2 E
E2 q7 M+ A$ o4 C8 f6 gx=3*cos(t*360*8)-1.5*cos(t*480*8)
- C2 Z. f4 E# K$ Y4 Fy=3*sin(t*360*8)-1.5*sin(t*480*8)2 u- k: v* I$ C) ]6 O
z=t*8
" c) F7 ?! ^/ n6 u2 J( d! \+ Q
3 n/ ?1 m- N1 b% v
2 o* b* m4 W8 `/ K65.柱面正弦波线; v0 P8 V4 p2 B3 o( M N
柱坐标; A* _& Z2 l4 r3 y
. E; p9 ^6 ~% i% D; ^r=301 V7 X# y- H4 H5 |
theta=t*3606 h ~ R: r2 l& K7 P3 q
z=5*sin(5*theta-90); u5 b+ P/ \ h
* j' y' I" K9 J4 N0 z" z# T3 r
* g3 D* r" o9 M. u' J4 u' Y66.漩涡线$ B" ^* ~- _3 \4 x
球坐标:- V- n# C4 n p4 ] N* w9 X
) w+ E+ _' Q, U% @6 {! e+ U
rho=t*20^2
% v0 S" j/ k% L% H- m" ?3 htheta=t*log(30)*60
# v1 [/ R8 v' @( R8 [2 Lphi=t*7200
0 C3 S5 w, d: k3 h5 M' y% h; u6 X: n+ m9 a
3 F: C- o( A4 R1 l1 _9 N% O; A67. 手把曲线$ ~, m! c c8 p, H
笛卡尔:
$ D9 ~) }# w$ L7 H9 @3 a
7 q( B9 T, x0 `7 B3 ?& wthta0=t*3605 n4 f" b6 ~0 k. Z
thta1=t*360*6
) K8 b. B1 h$ p5 ?1 ^6 I6 mr0=4004 m8 I. P. v9 m2 a; Z2 @
r1=40# |" ], c. {0 d9 ^8 |# ]" K
r=r0+r1*cos(thta1)' T- F3 e0 k% j" K
x=r*cos(thta0), ^' g4 R" L Z3 n v
y=r1*sin(thta1)8 Z/ P1 T! B- N* ~- D4 z7 m2 l
z=0
- D: X7 o5 _- o
" ]. W! W& G5 k9 w6 r
& l& F X8 C1 r+ J68.篮子
! u1 ^- }" Y' \/ y1 O圆柱坐标- R5 Z( f' R1 p# ?% @
0 C% T& c6 W+ ~! l9 n( Ur=5+0.3*sin(t*180)+t
c$ h3 m0 ?2 atheta=t*360*30& V: k* |9 m% r) l# L. B' @
z=t*5* c, K& w1 t* _( k3 h( }! J
2 r! A' C+ o) h/ I, ^( q1 ?' }9 r4 a5 D
69. 圆柱齿轮齿廓的渐开线方程:) S1 y' G. u1 X: \. \3 ~
笛卡尔坐标) g+ y, H( x! u" F( R
1 g7 @- c, K6 m8 jafa=60*t
) P/ ~! g4 `. `+ q4 Wx=10*cos(afa)+pi*10*afa/180*sin(afa)" w& a; p; f; K( X+ n* G; Y
x=10*sin(afa)-pi*10*afa/180*cos(afa)$ m M3 V7 i2 J& c# A
z=0 m o; o+ C6 }5 \
注:afa为压力角,取值范围是0到60,10为基圆半径。
) D7 Z0 h U) u* ~3 \' N# `- j3 h% m8 ~5 v" G: G- z L
, T# S8 K2 `! [0 i3 ~70.对数螺旋曲线+ D: h6 L: v9 |. }9 c
柱坐标:
5 W8 b9 P6 w( Y4 Z7 Y/ ?2 f( v
" [" f; k e8 J# M! R9 Z3 yr=sqrt(theta)8 U3 a: R0 Q! ]2 G
theta=t*360*30
! d3 _& w5 f) o! U) uz=00 j# d4 u: Y) F1 j+ \: v- b0 R: P
( d7 a/ u( N& o
3 H7 J' j {7 W. V& ]: i* C71. 罩形线
* k' a9 Y, |. p9 k" x) Z球坐标:
& U, r1 D- t1 O. w: V4 [, m+ a1 N* x5 I2 y
rho=4
) H! C# q7 X* \- [& itheta=t*60
7 m% ?7 N. B, r9 b5 b9 r# _7 Z. zphi=t*360*105 F% P: i1 q9 [, T; }4 V9 @' J: }
! ^3 S4 r+ `9 B7 C
% ^* T( v$ D% V0 W+ L' ^8 [72. 向日葵线% h' ]! ]$ R+ L! _" F/ q h
笛卡尔:
+ H$ Z6 e! x3 s: M6 q. ]6 L) b% Z0 S5 b/ Z; ?" n+ P7 M& J
theta=t*3608 L" M& O B; G
r=30+10*sin(theta*30)7 M7 s) U% f1 S- v6 K6 J2 ?
z=0! L5 l6 K% h0 A5 a0 s F
3 Z' X d+ u# ]7 Z$ E' x
/ s5 S, N' e2 a1 W. O73. 太阳线' q! {6 l1 I% E2 R
笛卡尔:7 |+ w3 l5 f, P
# s6 u& w, Q; n$ S6 w: E- er=1.5*cos(50*theta)+1
0 {' o+ r4 Y; ^: stheta=t*360+ a8 [# b" e3 k0 h8 ]8 w
z=0
) z- @; k9 Q) Z5 k2 P; e- ?4 H4 ~; K( d7 M* i s$ J- {1 {1 O$ g
3 A. o+ V: g7 u' k. a# s; c74 塔形螺旋线
2 F q( R+ z7 c g笛卡尔:9 A$ l5 R3 P2 g. M8 M0 f
1 w+ ~! |4 O: V& V+ u
r=t*80+50
* ^6 X6 c: B& S: itheta=t*360*10
% \7 f7 X3 M" ~" R% dz=t*80
: b% y$ \3 `" @: J; q3 a: T1 X4 J" J3 l
' _9 Q1 c9 s9 r, ]& N* h/ c75 花瓣线% M! t2 I$ A7 |$ t2 U- t
球坐标:# ^( ^% h5 c6 c0 w3 k
! E t; z* o& M5 k* w9 K
rho=t*20$ f6 V( l5 ]; H
theta=t*360*907 K( P: G* o: R% W
phi=t*360*104 ]; r- z" _2 L4 q" g+ o! {
/ k% ]5 h1 H, ~# k: U
# i' C8 k/ `7 [& H& `. U8 E76 双元宝线
5 D4 {4 m: V5 L笛卡尔:
" F' _" K8 w6 n" w3 `) h- S6 f, k; t- e7 _8 A( w
r=sin(t*360*10)+30
: \* S! r( J z7 ]5 j( S: ptheta=sin(t*360*15)* {2 n+ k$ y7 B! Q7 I( K
z=sin(t*3)2 Q' W1 `+ W. l+ G
& {! O9 b. ?& H. c+ ]" J" K, `2 ]
& F. {6 t1 u( _6 a9 g, L4 l" E+ t77 阿基米德螺线的变形
# h8 ~5 A7 @+ k5 c% n2 x- v柱坐标* {( C z j6 ~( p, R0 o
6 ?- Z* @& i4 Q) ~. y7 h% z
theta=360*2*(t-0.5)! a: U4 ?5 _3 b) X. X
r=10*theta
4 W2 i$ M5 J4 V4 L ez=0- ]1 h) ^2 h, D/ ]) w' V
, j$ C7 i N; u6 N% @3 ]1 m
( S6 J o$ S0 [: v
78 改过来的渐开线方程# l, R8 y: Y* h) p
: }' v, C$ I8 ~: O5 n8 x
r=203 H! C; I4 Q( H+ r* h$ K, ?, j
ang = t*3605 X4 W! m& T$ h; T& \
x=r*cos(ang)+2*pi*r*t*sin(ang)- E2 _$ G4 V) X- W; p" j/ c
y=r*sin(ang)-2*pi*r*t*cos(ang)
* B: C$ T! \* E& W6 B Nz=0- E6 h' a* }$ t* s* p% @- G1 d. H) }
前面的方程是这样的:(对比研究一下两者有什么不同)/ h; E& k- r* v8 K& J4 ^" ^5 i: [- C
6 k9 U: I6 y6 n ^% {- L
采用笛卡尔坐标系, f9 Q+ B$ k0 s; \8 ]& j8 `1 S
" ?4 g: T4 {& \1 r ur=1
& c( W7 D0 m7 \+ T0 }" Jang=360*t
) j% {8 T1 v! C: g, Ds=2*pi*r*t
$ e% e: T6 ?8 ~5 N* qx0=s*cos(ang)/ D+ c4 w1 Q) G1 k
y0=s*sin(ang) e! G% e7 m! G* D
x=x0+s*sin(ang)
8 K" t& d) R+ q6 Ny=y0-s*cos(ang)
, c* w m- F2 g7 _z=0
$ L7 W4 D, r/ d6 y- e+ U/ n0 {( V
3 f+ L* f2 J4 }9 P: h' c; H1 Z
. S4 U- @& w4 V* ?3 P3 l' t79 双鱼曲线
* ^ [+ q( n0 ^9 M( Z. @* \/ y0 X球坐标系3 c. ~: a9 U, M. `8 L5 z0 Y
7 N3 P9 D7 d/ d9 e* Orho=30+10*sin(t*360*10)
2 i: h% j, h- x: K/ A2 ^) @$ etheta=t*180*cos(t*360*10)
! D7 h1 T- _$ q, t4 J5 Vphi=t*360*30
. B" }; Y. G* W4 H- g
4 Q+ [+ w6 W' z4 O5 P7 m6 A2 k
& X9 K! y6 t, F1 w+ a, ?/ }5 F* ~: b80 蝴蝶结曲线
7 }& O/ Y( Y* F' K迪卡尔坐标$ ]% f% Q$ o3 F3 {, f$ _; I- n
2 C& z+ b! r ?( H$ L0 n
x=200*t*sin(t*3600)
9 h N% j7 Y# ]! a5 O: dy=250*t*cos(t*3600)
5 j4 z- [' z! Z0 W- f9 z1 pz=300*t*sin(t*1800)6 C2 b" d+ _: |, C# R5 o3 s
! ^- F4 ~8 B* O( O6 U$ Y3 h% S, l0 S& t6 @: G5 H$ W. L+ R
81 ”两相望“曲线; N3 {" z. r d7 X3 M
球坐标系
% b! F- P4 A' A* c! w7 X1 Q5 ~: ?
rho=302 a% d) U' Z: K, x @7 w' u/ _& B+ g
theta=t*360*cos(t*360*20)# c' m0 q3 M# a' i3 ]7 p6 Q
phi=t*360*209 H) P0 C( h+ C- H/ D
' _" x# \ C' t
/ F) l8 S) v: p) J+ U z8 N82 小蜜蜂4 i, V1 h$ b7 v5 P0 H( w4 W# |0 X: g
笛卡尔坐标系:
! l: P8 Y0 F! c2 a2 O6 D, L/ _$ j/ v
x=cos(t*360)+cos(3*t*360)
2 C5 X7 C- \$ Y& l! Q* A/ G- [! SY=sin(t*360)+sin(5*t*360)
* T, _& z; \* ~' i9 _ X6 t$ u% v' Z( j; h, S
8 z$ {8 P/ o3 m: u7 q- |1 m3 m83 弯月; o2 R7 w0 T) _
0 c; ]4 S, e+ b& i& y0 o0 h3 x: S5 @
x=cos(t*360)+cos(2*t*360)
+ b3 i! j0 l* F5 a PY=sin(t*360)*2+sin(t*360)*2+ b; I/ M) i/ \8 q9 Q; |0 a8 M
# V- R3 C+ s( [6 G9 o4 o
8 G' `, x$ T9 X6 m84 热带鱼
+ Y! f5 P$ _+ z- U0 f
& }) L0 @6 z5 h) N/ fa=5: Y, I( u, Z* u+ }' o* T. b b
x=(a*(cos(t*360*3))^4)*t
8 a6 o4 T# j4 U2 I6 sy=(a*(sin(t*360*3))^4)*t
" J4 i1 Z4 Y7 [9 e, R3 A' Q* C: L' |
~3 T0 [' X$ M" p0 |/ F* p% @, j% s! b! [
85 燕尾剪
+ w( z/ a ` c% Q5 [0 ^2 `5 r1 S6 n9 ]) A9 T: r: D! A
x=3*cos(t*360*4)
+ l6 F8 q2 ?; a% `' T5 Ey=3*sin(t*360*3)* d4 S. {9 u; W M( T
z=t
, B t2 T/ J5 n! h2 r& h& @1 T4 i: n0 e1 c% p7 v/ d4 [0 p: m3 E
6 B$ e& B& v, e- h+ } t
86 天蚕丝1 \1 |# Q g8 q0 S
柱坐标4 X& s+ i8 [9 z, x9 G: m( [" U
$ v9 _4 R( z+ o! q4 G, z# Ptheta=t*3600) C9 m& x8 l) k2 m
r=(cos(360*t*20)*.5*t+1)*t
8 y8 l3 c( y3 V/ s5 [: e1 K
! r& q, @6 W8 z2 I$ w: o0 Z& ^1 v( {1 q8 c5 p7 t1 ^9 O
87 心电图 v! I4 x3 D$ v! s8 O0 y6 l
圆柱坐标系:
- {/ x: I: ] l( i+ D( G* T) A2 `( ]- K' f" S& i
r=sin(t*360*2)+.2
1 U/ [8 t8 ?$ h1 P6 vtheta=10+t*(6*360)
1 R* ^& ?9 v, i7 D; Fz=t*3& z7 q2 G/ p4 w2 A& \
1 w. g0 I, H X+ C# k
1 v3 @, a& f- A( ^88 变化后的星形线
+ A: ^8 \% F& {6 Y- G# I, s; P0 q+ D# |迪卡尔坐标系1 y- M- h! {5 C2 i/ }
/ M0 G1 X4 U6 K3 y& Z4 m. X
theta=t*360
" {3 _" d E6 T( Gx=10*cos(theta)^39 s6 L: M' p) `) H2 D+ S
y=10*sin(theta)^3/ ^9 U+ d" f* C
z=cos(theta)6 d! h2 j; x/ i* o
6 ~: }0 ?' m& b* g n) c+ k9 A5 |: {; Q; \
89 小白兔. F3 {- }: W, k, S# N8 w! V
7 s% \, {; A* A
theta=t*360-90
3 s. @% G: `, Tr=cos(360*(t/(1+t^(6.5)))*6*t)*3.5+57 i- p& e) V7 x% R, z
/ l; c+ K" P7 o
% K1 e" E, n4 [ F* C9 Y- }90 大家好: d* x3 S) O+ v+ G# |
柱坐标+ t1 D1 p# \! w4 H
9 x- s5 v# H" g6 ^- U+ ]0 c4 |% Ctheta=t*360+1807 @5 R/ {& a6 c4 b
r=cos(360*t^3*6)*2+5
+ o, r, u( t, Q& u$ P0 G6 S" v8 k' V1 J) _$ h
9 J Z9 K7 i" b/ I8 `
91 蛇形线
. W& m' [6 i4 Z" {( @( m笛卡尔坐标系:$ I2 _9 |* e/ D1 S
) v( v$ j* z! _' u) X
x=2*cos(t*360*3)*t5 m5 t6 Z1 I; g6 ^
y=2*sin(t*360*3)*t
$ x* u- E( v; D+ mz=(sqrt(sqrt(sqrt(t))))^3*5: Z; a# H7 ]' D
: @+ T4 @. A3 t0 p3 T" B
% I1 x8 s6 h! Z. {5 Q
92 五环! \+ ~; `' ?4 t, s# i) s( |
柱坐标:6 |6 Z" o. @- V, ^' C
/ X- K; @4 Q, W/ d- t" ftheta=t*360*4" l4 K9 |4 w8 ]& k! h7 k3 o$ p
r=cos(t*360*5)+1
9 e Z! _) B! d1 l( e" g$ y7 R! j8 S/ U$ z7 u4 c3 z, I
4 j8 u. F4 T$ f' b* B7 Y$ h
93 蜘蛛网. J( `8 ~: k! X+ `
柱坐标:% U; k2 l3 q b
2 ]0 D6 _! n6 O% Q0 P1 `theta=t*360*5+ E+ L; P' t5 ^ W$ y7 v- K, R
r=t*sin(t*360*25)*5+8" @" W' l( m ^9 D# P f" Y
& z K* ]" g7 s# j: I8 [
5 |8 p/ H$ Y9 Y6 u3 F
94 次声波
* }- n: Z& D2 j' S2 K- w笛卡尔:
; C( M, V; O! N+ Q* k3 X1 B# W
p- o* a( o3 O6 H6 A8 q, S! x& M) Bx=t*56 K; y' Q2 U' }" C
y=t*cos(t*360*8), O6 S# K q' X
) M1 g$ `, h' f3 P
! i: x, C/ y5 O! {5 ?$ [1 M95 十字渐开线4 Z/ j% w5 m/ E# O4 T
柱坐标:
( P8 L! \ Q/ P5 y. X$ I
8 E7 E' n* w8 f/ u) N( n: ?9 \. d" jtheta=t*360*4% r) k+ V H" ^3 s; p/ U
r=(cos(t*360*16)*0.5*t+1)*t* {. J" D$ a4 ?% L0 c$ ]% ]
) h( H; \ ~# h( |9 D
b8 o) B# c2 `( Y
96 内五环
- ]8 `5 n+ u W# X笛卡尔
; b, b2 m5 W8 e9 @8 |! r/ C
6 S# P U# c8 z* P0 l# o% ftheta=t*360*48 D4 F" \' d1 X9 Q& ~
x=2+(10-5)*cos(theta)+6*cos((10/6-1)*theta)
1 ?5 t3 n2 ~# a$ [, q. qy=2+(10-5)*sin(theta)-6*sin((10/6-1)*theta)
F9 O' @4 s# i' y2 P- k1 f! _! G
$ f; W9 e6 o" |, y" G97 蜗轨线
, ?9 U0 K0 L7 u3 L柱坐标;
4 K" o7 k1 j9 `
8 b* ~8 |/ `# U7 Etheta=t*360*2
7 Q" s& y0 {/ W# p br=cos(t*360*30)*t*0.5+t*2
& W1 E) \ Q4 D) ^8 J9 E: t
5 @ x8 h! B! K( E4 C- }! H3 \! W# s1 A& J% O! o/ J1 i
98.鼓鼓形线
* s7 m9 D* B4 J* \/ v. ?
+ R1 ^% [% \3 l2 w, M/ ur=6*sin(t*360)+t
# p3 O, H4 z2 W" D2 |! {theta=t*360*208 J' o- ]9 q4 j3 d) k
z=t*20
* \/ F X# Y/ T, _) A9 j5 K
' x6 w# G I: d4 L" O9 G: k- h0 k
% |! F1 B$ H" V99.笛卡尔坐标系的圆内螺旋线
3 A3 x' l8 G" V) g' ?; a7 Z
1 u( s; O4 L# D+ I& @0 Y" ~) Ha=5/ u/ O2 U8 d% T/ M, z3 b3 w/ y
b=3
4 K0 S- _4 n/ L/ J" I. sx=(a-b)*cos(t*360*180/pi)+b*cos((a/b -1)*t*360*180/pi)
9 u/ b& T O9 g+ k- Z) wy=(a-b)* sin(t*360*180/pi)-b*sin((a/b -1)*t*360*180/pi)( K+ j9 E; ] ^) ]) N4 @
z=0# _3 T0 H' _# D% s$ ?; ~, X
! ?# S# R2 {/ g6 W `' K6 @
1 r' u+ @" a; [+ v6 Z, Z100.肾形线
8 g U) g! _1 _ J柱坐标系
/ H3 Y# i; X, O( q% E! D! D
( [" q9 q( }' E* S. i; c6 A4 Ra=27 a( N* n5 A# W a$ r, Y
theta=t*360*180/pi; x8 H* z3 o8 {# z! W! W
r=a*(1+2*sin(theta/2))
0 X( U+ a/ x) u1 zz=0) e6 Q& f( c$ d/ p/ `1 l, k) R
; v; Q( O* ^( o3 W' \8 Z0 O& ?' p r, a3 d5 ^6 @# j' p+ Q+ K
101.花形
" E3 g, f8 L& V; R, z0 }柱坐标
5 F0 k0 r+ D; e4 Y
g2 @/ H8 M2 ]. s% f0 h z; dtheta = t*360
4 D- k9 f1 Q) ^# v' Br=5-(3*sin(theta*3))^2! ]6 V' o a0 B! K1 b/ ~& P- W
z=(r*sin(theta*3))^2% O/ x1 z; I) q: m
the=t*360
; \& C' {0 [" `) m7 W7 x9 u8 `# Lr=10+(3*sin(the*2.5))^24 b: C- e0 W* P/ I
z=5*sin(6*the)
" |( v- n/ h/ y" Z. e9 w% R- S% j: m+ n# w9 _
# J8 A$ D6 Z" _, U& \4 ~# ~
102.一朵小花
4 z- ?) `2 i% i6 l9 c+ C圆柱坐标系: m1 @* G- |0 w; a5 c E9 t
' [- d+ p- s( l5 d% k4 Ttheta= -t*360+180
: L* \$ j0 q' [r=cos(360*t/(1+t^8)*7)*3+6
8 b% P. ~: M% T1 z8 Q: f
+ V X5 H) I' ?& {+ o* x# k5 O
2 {- b( c) S2 G9 h/ d103. 人民币
" \: i9 i( b: r# n0 T+ P8 w o N$ S0 D' K0 G
theta=-t*360+180* v2 K2 }0 ?: {# z- R( m; h h
r=cos(360*(t/(1+t^6))*6)*3+5
0 ^& ~; E6 n5 Q2 U7 f0 o6 Q4 K; Q0 H1 y( o
" K% R7 B) m2 f/ B+ ~ f* p3 ]104. 天蚕丝& D/ v* w* ~0 u! k
* }! p* k3 v: A& g& ktheta=t*3600
' i. @) a% T9 I, J3 Y8 n7 ]* Tr=(cos(360*t*20)*.5*t+1)*t
3 a8 ~# D% k4 x& Z, g
9 S& @+ `9 a! l4 ] w5 i0 V) j6 m, t6 g3 h7 t
105. 红十字
( W0 t. t8 y* F" p4 p* p, F2 n, G) Z
0 F/ t% p0 j: N* I, ir=cos(360*t*4)*.5+1$ c( ^* G; r) v/ _
theta=t*360+905 @' h, I4 X8 M8 y+ q
0 K$ T$ J: r [; K0 a' B
3 `% g1 C% E" Y! Z4 O106. 波浪花带( t& b3 d6 n0 d
圆柱坐标系:* @# W& B; w2 W, u$ w" ~; k
. F, ]3 k0 |( `& w
r = 5
% q4 ?) K( x3 f+ b7 T; Ztheta = t*720
/ ^, _9 W& a% J) S. Nz =(sin(3.5*theta-90))+2
% c& z7 o, u h) d% ~4 J1 K( R8 W: v& ~% u" w- N( _
% T: \. R! y4 j1 s& T" \5 F" _ ?107. 正弦波6 A) e! B8 Y+ B- R3 s# Z3 H
笛卡尔坐标系:
: P: K8 B- i; h. J3 e. `
6 ]. S8 M1 D6 j+ W' f' ux=5*t*t% W; E! q; a2 |% M
y=sin(t*8*360)*0.5 |
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