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1.碟形弹簧
: m" a; `# R* W" O) _0 V, m
: ^' C/ ?2 \5 k7 |3 e: O1 g" y, t/ B9 z, I% B" I B* u
圓柱坐标4 S2 O* A, w1 P8 f r
& T8 I7 T+ e2 I* W$ f2 E
r = 5
) h& F7 t- F% y# p! ntheta = t*36005 L2 K% k" k* V* X/ @* v8 Y+ [
z =(sin(3.5*theta-90))+24*t
) T2 {: C% I4 f- m/ m- f9 y1 `5 P0 V6 O% u$ m" j
( v) C$ k" O. O
2.葉形线, Z q2 X: A z; H. F6 o/ L
' v. F' i$ `+ j: c* u2 I3 k% G$ z! s* q" T9 A/ `/ m8 F
笛卡儿坐標标2 x" ?1 J9 \- X, G% \3 U/ J
6 v; Q7 k" u: w* Za=10( r/ q ^3 v% S2 A
x=3*a*t/(1+(t^3))
1 ?5 B, R: N0 G0 R0 D6 P0 T: ?y=3*a*(t^2)/(1+(t^3))
" s+ C. F5 d' P; R B! D0 E; ?' U) Y& M
% Y8 r; R6 _5 E1 w, V6 U/ y. D! Y: j
3.螺旋线(Helical curve)
8 W; g* _, h& R) R9 ]7 y5 h" z2 J% L9 Y. \3 F9 b- E l
+ U. m$ {) e; U2 h
圆柱坐标(cylindrical)
9 k4 c' p: k' ?6 h8 i3 W, e, l! Z; X4 o% n) l, ^
r=t
7 S9 ~) |: O% `" x6 mtheta=10+t*(20*360)
, R* G1 V& s& \z=t*3
F p: t1 u6 m: C- C$ H v7 g% m) x6 t, T# T* S$ x) _1 a, ^
7 M+ @5 r( C% ]8 _- L4.蝴蝶曲线% V9 |' a, F- G7 T/ ^
& a; v' P5 @2 Z0 s! `+ s
: T* E6 ]+ ?) A9 d: g: w球坐标( U. W( j" M( _( ]; C8 w. R
; r! E$ B4 O7 u4 D2 I
rho = 8 * t
; A* A+ J% _: |0 \( R. c! Ptheta = 360 * t * 4" s" f$ ^" o6 L- p5 g( A
phi = -360 * t * 8
) i- L. Q) k3 y: d( `# [. s
; H3 f! c6 n9 a6 D2 O0 X
" W7 n% p3 T4 _; h' l5.渐开线
3 L- e9 S7 b6 o: s
5 R5 h/ z5 P0 g6 t. d* ]8 _/ ?2 T( k: P% m+ B
笛卡尔坐标系
4 c$ e( d0 h0 H7 W: ?8 J1 D( p% T: K3 a7 n9 O
r=1
; f: ?& h/ [* B; G* dang=360*t
+ p3 b# w- g4 S( vs=2*pi*r*t8 ~% a4 y' e, e: N: b& y3 x8 W7 n
x0=s*cos(ang)
7 m/ x0 S4 T8 ~/ @y0=s*sin(ang)
' a0 c9 E; h- C2 w! a: mx=x0+s*sin(ang)
$ P N- d& h* ` @. K! w# Q8 By=y0-s*cos(ang) S Q" ~6 \) U1 `2 ^! p% ]- G
z=0 " o" @" O9 O1 y
( c- g& [7 R8 X3 g
* R, G, C5 ] K& l6.螺旋线./ h; F) f( C V9 n* ~" U
) n) \( y5 Y ]/ ?* d4 k1 }& h
5 s* p8 u8 \9 Y1 |: W笛卡儿坐标
+ d+ k6 s# ~6 ^% i
- @& f; V) e. C, v" B5 X. sx = 4 * cos ( t *(5*360)): G' Q* | m* j- \$ k2 p9 k
y = 4 * sin ( t *(5*360))
/ Q) f# W6 l/ T, k# f7 Gz = 10*t
( K, P; M( { A! L# J7 ^3 o$ o# H! G7 E6 d0 ~1 I1 _, A" C+ X9 `$ o
7 Z$ L! A0 ?% ~
7.对数曲线! ^' y! J8 @. z, X/ q
) d2 C" [( g e' x+ o4 m; ~
0 t4 T; p* T% q6 u笛卡尔坐标系- o: c; E# i5 {0 ?6 y6 _9 T: ^! b
, `1 @4 \8 t; v3 ^/ b) O' o0 X
z=0 w3 B8 f [: Z% O% T
x = 10*t& s6 t- B1 O6 G7 q0 i1 ^1 l+ ?
y = log(10*t+0.0001)
5 d$ h6 x/ s7 W9 D7 Q* T: e/ W
0 u" x* C. ]- e: \. \- C
: \" V+ G, ]- l! ]; b1 n& P/ U @* V4 a8.球面螺旋线
) z2 ]. O" A! B0 r7 x4 S( Y, \3 \, J4 y- ?/ \( l
$ s) f5 i' n+ i球坐标系
2 j; d1 G# f5 P1 V' p0 T3 g: A$ W$ ~1 [0 l" i. }
rho=4* z$ r& P4 S: I1 S" w: w! i8 F
theta=t*180
% I) o' N& t$ N& w$ ~4 Sphi=t*360*20
2 n0 Y% j/ [: w# E1 n
7 v1 b2 h2 y$ ?1 y
4 {+ x" j+ W- A m; p9.双弧外摆线2 k7 k9 s/ m2 m$ K
! ?1 d4 e! e/ D3 v
. P ]0 S! z0 X& R* V/ @卡迪尔坐标
( w7 T& ?$ u+ U
) C0 [" C( `$ |4 Y C4 r; Sl=2.5* m7 U. p7 S* Y
b=2.5
3 S3 L+ o& n% \- C& ?2 {$ d$ Q; ax=3*b*cos(t*360)+l*cos(3*t*360)+ \. k* T$ C8 C0 W6 V
Y=3*b*sin(t*360)+l*sin(3*t*360)
* \1 N- X$ c! z% u8 }: Z4 }( @! p( _2 r; V+ T. Q
" [( W* F4 q) R/ Y1 a" l* v
10.星行线; _% \2 a) r8 x8 X8 G+ y
5 F* i0 k4 _1 |' u/ E1 N* ^5 F
/ J+ b: S1 F1 n; s& _; z* m7 x; h
卡迪尔坐标3 | i1 E4 M7 O% n8 ]" H/ B
6 Q- \3 }7 P, wa=5
1 Y% U+ m$ J% {6 ?6 G" px=a*(cos(t*360))^35 \# X8 l1 m, A- Z2 T
y=a*(sin(t*360))^3
/ a X# E( @+ ^! E3 k2 P/ A6 C* p) K. ~
5 @$ L( v+ v' Z11.心脏线# G4 l" P" g& V6 d
/ D! t. o7 c4 I# V. ]# r7 X圓柱坐标
3 H3 h k. u$ y! |5 B
D9 j3 U' ]; t2 ka=10) M# F8 Z) B4 y; |! I3 M
r=a*(1+cos(theta)), e9 z. ~" k( O& W8 F" M
theta=t*360
' j3 f& L- V- c7 v+ n( b3 h/ C0 W" g6 K! r
- I' d) i0 [' k8 t$ r
12.圆内螺旋线5 r+ W/ L3 g, @) Q
4 Q J2 C- S% s+ `6 L6 _% I4 e+ p) B
柱座标系. s3 ?+ m+ k) Y) ` B
. G- o/ G, ^. h( ?
theta=t*360, {7 t" M' t8 N& R- h8 c* g
r=10+10*sin(6*theta)
4 z' h6 g2 B0 ?z=2*sin(6*theta)
( i3 t# s' t* H2 J: ^
$ y$ g: {5 d( J1 e' n) i! G# Q
+ H: a4 V, V, @13.正弦曲线) R$ { F/ r: ?" \4 p) M9 U
4 q% o+ m: u2 L. U
笛卡尔坐标系
1 R3 O h7 r7 g3 ~* v2 x6 f: y0 x8 _) b1 d1 a) {8 o
x=50*t
) t2 z4 x& L% V/ y1 m" w% Cy=10*sin(t*360)( p3 P! ^1 P3 g# l" s
z=0
& v' A7 s+ A* h$ ?3 @' o) G$ }- x/ j3 F( |
" h* q' v! Q# `. K* `. Z* F2 f14.太阳线 n$ X. N0 A9 [' j, B% i9 l
0 O5 y& Z) {; x( Y/ U柱坐标# ~, o( Z$ Q/ t. H5 t2 j& Q+ L& k
r=1.5*cos(50*theta)+1
" h. |' K7 i* f- Ftheta=t*360& }9 B5 r7 H, q* @8 N. p, J" k/ ^
z=0; v) j# {5 C z: K8 r! s. Q5 a
6 I' v6 X# B" X3 ]0 z2 I) i$ u
5 Y2 d7 x" m3 O o# G: T$ j- B
15.费马曲线(有点像螺纹线)
; b C. d N+ C+ M6 b: @' ]- e; e+ g& c3 A* o' i
j) G h, v" ^* j% T
数学方程:r*r = a*a*theta
B9 R) [7 J+ x/ P8 o F圓柱坐标
7 I& S; _8 Y& |1 Q' M3 j* G! g7 _/ y5 r/ ?; Z! J
方程1: theta=360*t*56 X, Z7 s6 \$ b/ J* h9 H
a=4- \; C/ n# g) [* M5 p0 Z
r=a*sqrt(theta*180/pi)# O5 z6 x t+ s- I
7 Y7 P! S( ^/ Z& e
方程2: theta=360*t*5& G/ m$ l' V8 K$ O; I }
a=48 Y, B# E& f$ q% |" I
r=-a*sqrt(theta*180/pi)2 R$ T( A( ~9 k# ]) v9 k: D
由于Pro/e只能做连续的曲线,所以只能分两次做& s) g2 d- A. { j6 a( N7 F; L
& y V% u/ J# B, Z7 Y$ H/ m
2 H l% K5 S; L' Z4 [/ Z2 e; c16.Talbot 曲线! f+ c; n& d9 }, z1 e* T
卡笛尔坐标; j& \5 N2 U1 w; ~7 N. b
9 x! b5 m. Q2 f2 u( Itheta=t*360
- I/ H: b- O4 j0 sa=1.15 t9 s% {% G' n0 r7 r4 x& ]
b=0.666% Q7 i' `: O, u* E+ B5 p5 I6 n
c=sin(theta)1 K" P$ R/ t! p: V$ X! j
f=1# w8 {8 r; y; T; O4 e9 w2 R
x = (a*a+f*f*c*c)*cos(theta)/a
( F8 l/ r9 [ m% }; Zy = (a*a-2*f+f*f*c*c)*sin(theta)/b; B5 M7 `( A$ D; @( s" V
9 D: ^- B0 a+ {
- ~ ?" N, }* P18.Rhodonea 曲线
* j& A& w1 g9 M6 t* ]笛卡尔坐标系
, }7 Z6 A4 s; B3 b1 s& Z2 x( N- b' b8 T/ ]. C# W
theta=t*360*4
# Z/ @% H( t( D) n lx=25+(10-6)*cos(theta)+10*cos((10/6-1)*theta)
8 D( S; ]/ w, K* vy=25+(10-6)*sin(theta)-6*sin((10/6-1)*theta)
+ ~' F L/ A/ U! Q( H# K; m( v2 W# g" @
2 ^3 A3 M* j( ?" j
19. 抛物线
3 s1 h, `% [. _5 w笛卡儿坐标- k. p+ j/ M# ]' Y6 r1 L0 N* z; \
6 k2 `5 ?* f5 Ux =(4 * t) C, s" Z& d, o5 A- [" \
y =(3 * t) + (5 * t ^2); t, ^; K8 l& _0 E) ?0 B' F6 ^7 x
z =0 g; p2 |# L+ c0 {/ k( j& _) a
: g7 n# Z$ N9 m1 T5 M% w' v" `5 Z
& G( x3 q$ H; y& o20.螺旋线
6 j- A% i( s/ ^9 ]7 n G* v圓柱坐标0 Z3 _* e. Q% h* B4 m
3 @- z2 O6 }- T' vr = 5
3 Q i, j$ A) ltheta = t*1800# K# N) M* O% u( P. g+ [4 n
z =(cos(theta-90))+24*t# |- G! m! y5 d* ]/ ]. C
' O8 P. ^8 k: \ O; I, `* ?& W L, n- b3 F' Y7 F, A+ B
21.三叶线
1 |5 n) I: Q3 y' N7 y5 j圆柱坐标
( o. w$ y* e1 ^0 O- G' f3 `- ?0 ~. e, C- X6 p- B4 w
a=1
! E: }0 l7 F1 C- Ytheta=t*3800 E) C9 @: C& U& N# z
b=sin(theta)
/ E! Z2 \/ {0 W8 sr=a*cos(theta)*(4*b*b-1)
7 @2 j" p. ~- W; p/ Q7 A
& T$ b$ D' B& E$ C( ~0 {6 {2 Y" b# y2 f: W/ {6 x6 O6 R
22.外摆线 C) D- X: ^0 Z9 d" R% `9 c( \
迪卡尔坐标8 ?: A2 L D" M- U
" ~! y! m3 X c( `6 V/ Q& T) D
theta=t*720*5
* n" A7 ~5 @6 T6 ~# {7 W$ ?: a+ ?b=8# T6 [" b! \1 W
a=5" _) K5 W& g L& \9 E
x=(a+b)*cos(theta)-b*cos((a/b+1)*theta)
# {3 m4 v! G9 By=(a+b)*sin(theta)-b*sin((a/b+1)*theta)
) q% `9 t7 d( o ]" C3 ]z=0+ {) O" K* F8 y, c" a5 A
$ |) M) @0 W5 q- X* A) Y$ n
% l! \1 w* x! O6 c" v y6 R1 k23. Lissajous 曲线% T+ M6 \+ D# v& P: o+ s
3 e Y8 [6 y7 e) Y: Qtheta=t*360( {. e( O O0 e) O
a=1
% q: a! p& g, |. c2 ]9 qb=1* ^4 i3 K% \+ _* j- |
c=100
3 O* s5 @4 b" I; T+ f) K2 ~/ O* ln=3
, g: ?# `9 d) Z# W% ox=a*sin(n*theta+c)
2 Q# x9 ^8 d& A" h$ ]" Jy=b*sin(theta)! K; H% y7 [4 ^' @# Y, R7 v, q: ^) O
2 k+ D `2 ]- d/ H n
" ]# B% e( B6 n7 ~6 j$ R, Z! F2 x5 G
24.长短幅圆内旋轮线
Q2 }, J8 ?, t9 |卡笛尔坐标! n: q/ q4 R# P/ e
- z' [. q2 K( `$ |" d B7 w
a=55 _$ N5 R0 {% \& o0 G* Z
b=7
, G7 d- s5 o4 M# ?4 ~c=2.24 T( N0 M& e) p- T
theta=360*t*10& S# O' {& }" {) ?& q, a0 b
x=(a-b)*cos(theta)+c*cos((a/b-1)*theta)6 K# V& c( d6 e( A5 }( G' u
y=(a-b)*sin(theta)-c*sin((a/b-1)*theta)* J/ Z/ t: e; v$ h. j% J
4 R0 d" e/ A% t% ]( D# |+ k
5 B4 \- y I T$ F0 j$ ~& b0 [* l
25.长短幅圆外旋轮线
: n/ U0 S( Z6 E# a% t卡笛尔坐标& i3 {( _7 I3 o) W
) f/ ?/ S% h8 t% D5 htheta=t*360*108 n6 H' p7 P ~2 N& }; `) H8 s
a=53 k- A6 p# X4 R6 p
b=3
) U# \) R: ~" U1 w) ?( X1 x: Oc=5
4 M4 ^: |8 n) B2 H5 N" ?x=(a+b)*cos(theta)-c*cos((a/b+1)*theta), \+ B, B. f7 b- l3 A7 P2 X
y=(a+b)*sin(theta)-c*sin((a/b+1)*theta)$ y% d* x$ i; b u, G
0 F0 n1 |6 W: n# e- H5 t+ ?
, c- q- P6 z6 {
26. 三尖瓣线0 L, T7 o! N# [$ n% K3 O
4 s; |0 u$ w( A2 P- U4 B9 n
a=106 |# g, L) @$ A h, C& H" y
x = a*(2*cos(t*360)+cos(2*t*360))
1 q7 b5 T$ ^2 X' A' S$ ^, my = a*(2*sin(t*360)-sin(2*t*360))4 Q" J* a/ C# V8 c
4 N) M) y; k. e8 f
! T/ r1 m8 H: _. Q27.概率曲线!
6 Q, b2 _1 z1 r6 C8 W笛卡儿坐标1 e. C& q2 Q. u- J
/ s; R! c0 U# e: [; y. g
x = t*10-57 w" ]% w6 a+ f7 Q: w# l% h" X
y = exp(0-x^2)' y, G, _7 L8 y" _( \; D3 X/ ~
, c+ }0 G! n% P# e# I2 \4 G" R$ x3 L8 |) q# j- A
28.箕舌线; l" b4 _, x6 U/ M0 i( L3 L
笛卡儿坐标系
* _: |/ {6 e/ d9 Y. e' y3 C$ L# K# K" a7 d
a = 1# v+ Q: r p4 V9 {- ]
x = -5 + t*10
+ ` G& V6 V3 ?0 Ny = 8*a^3/(x^2+4*a^2)
% V4 P7 D7 [2 {1 J
8 O5 V0 ?' N( N- F3 i
' s0 p% S* p E1 p; y29.阿基米德螺线
! v/ u6 R4 S7 k$ U4 ^柱坐标
4 @$ r) N) R" S' D, P* X2 I% {; v# R- P8 b4 }6 I x
a=100
5 N7 D% o5 u3 u' g- c( _3 Gtheta = t*400
" ^' ~, q; j% g% u( c" ir = a*theta * `' k e" c9 P# k
2 l: R! W! ?+ @0 m/ Q7 f; \+ K
& D/ M8 \! O3 a# P; t/ o g30.对数螺线
7 t& ~# ?5 ~" q9 X柱坐标
, @& Y- Q: T, `5 ~ Y0 [* R" u0 P( s4 ^
theta = t*360*2.2
0 @2 @( z* S5 B: K3 F/ v) Qa = 0.005! z# Q- \. m. ~ q
r = exp(a*theta)- K% X% [4 I3 D8 d& c' R" X
' Y6 L* Z* Q4 ]0 o9 R( t; D( z
) `8 h' Q, _6 u
31.蔓叶线
6 H9 {5 f$ H0 b9 y6 Y( }笛卡儿坐标系& s3 x0 x4 H* c. K9 d% e8 R
- f+ J& s+ m6 k" }$ T
a=10
7 c8 L- C8 y. y6 U0 y9 x" C; w" ?y=t*100-50( G4 j& }' [( ^& r+ q7 r! w" g
solve
, ~: h4 C. j% X$ z f5 rx^3 = y^2*(2*a-x)" o" q+ v4 ]. `" u/ m
for x- Z/ o1 ]1 x: \" k! o
* J/ S. L0 J ~' h3 S
- R' o. y" V7 z- O7 P
32.tan曲线' c2 n2 W! \3 O2 h3 j$ a, V
笛卡儿坐标系. c& @' e3 Q1 H: a" M- H
3 W4 x1 x7 t: x9 [. i! Q$ Px = t*8.5 -4.25
8 D: P( ]: x( y- M- u' N; f( k: Ay = tan(x*20)' g" v! M, b: s; o" W' R
) x9 E' v2 i% o, t; Y% g
; f8 r$ x7 b6 [# e j
33.双曲余弦8 L! T# G2 r2 u2 T
5 t- B5 R4 z. Y/ n- [
x = 6*t-3
* `; y* Z/ T: K" q' qy = (exp(x)+exp(0-x))/2
2 t8 k: S$ ]* O) t. N1 i9 Q. f! h& w) T/ t. |! Y/ X6 }6 U6 D( V
8 m2 m% A% L+ {. Q# f' I- R* ^/ r34.双曲正弦3 i/ n, K: P4 v+ m! w9 G
2 t/ c/ n: |+ ex = 6*t-3, k7 ^0 t; \( x3 Z6 h
y = (exp(x)-exp(0-x))/2
" t4 P( K% V4 z! b( U/ [$ q
e: A) D/ B4 m( u9 n8 `) q9 n' t# d6 [; M2 ?# A1 ?6 G$ `/ J+ t
35.双曲正切
3 U. Y$ _% O+ }7 x* i4 ?9 |" Y% l+ ?4 A: s( _ J9 U$ I) k
x = 6*t-3
' ^/ D B8 k+ t# ky = (exp(x)-exp(0-x))/(exp(x)+exp(0-x))/ E' k" ~3 x; t2 H$ `! ~
5 Y9 j1 _' a8 l z. b
/ B: s \. s7 `" Y1 `2 d# k* c2 R7 f! m
36.一峰三驻点曲线, G. a* O5 ^ w+ J- X
N' d6 Q; S/ M9 ?+ @$ xx = 3*t-1.5, K4 x* g$ h+ m( [
y=(x^2-1)^3+1
) y7 N$ J" n/ h1 F; _: y" l$ p7 p
7 s( w: W4 j) s* _# k, U4 [$ e1 F
37.八字曲线
/ e# d7 h) @; f2 Q" a9 L/ h, H* K3 c% ^, z$ k4 v6 n9 T
x = 2 * cos ( t *(2*180))1 G1 }; H3 n* k
y = 2 * sin ( t *(5*360))' E; i) D6 \" ]9 W! e7 Q
z = 0
& A D; a+ ^: M9 I+ J% R8 b7 e" N, |+ L. Y; t2 R4 q
8 \ R5 E. a/ G/ q4 @, L) j" v
38.螺旋曲线
: B. w) c$ U9 j7 {$ y9 c% z+ m% V% R7 }5 R6 x! l6 v5 Y
r=t*(10*180)+1: G$ v. t9 a z' V! x) n7 ]4 Y7 Q0 f
theta=10+t*(20*180)2 \% a. W* @3 R3 W% U' F
z=t9 Y1 c5 A3 r* K0 ?3 U" \
: g- H2 S( z0 t$ i' T, r0 c) s1 U0 i. `8 B' A
39.圆
, k. s% ~% Y' b' l8 J" x1 w0 F* p- G O6 y. f, A! ] y5 [+ A' w6 r
x = cos ( t *(5*180))
+ j) V( v/ C& H7 q* a4 @/ Ky = sin ( t *(5*180))7 p3 ?! Y( C' \" M1 n
z = 0
9 y- K) \ x9 S9 g) c
; t. v" w" G8 L1 v$ J* ~% }
- G8 O) x; B7 I) q40.封闭球形环绕曲线) n1 }; t! ~& [" Z* X
" t P8 F, b1 q% krho=25 M& Y& E, H$ c' _! o0 ?3 F) M
theta=360*t0 ^1 x* U: Q( W; q) T: S
phi=t*360*10
" I3 g3 s- _: D
$ @0 B! U( r7 q5 P t
" S8 @& Z' Q! {' x- _41.柱坐标螺旋曲线# W' z# S$ u/ k" P% }
9 [- f# W O& D/ u, y5 w0 i6 u$ ux = 100*t * cos ( t *(5*180))
5 {1 C6 E7 o% \3 z' jy = 100*t * sin ( t *(5*180))
- d( |( j9 e5 p5 yz = 0& ?0 K: w( N, @ w1 ^* z7 O' c
1 H4 F+ I( e, y. e; n1 o
7 O* g4 B# U0 h9 m- t42.蛇形曲线5 ~: D5 B' }. I5 i7 o4 J% I
6 P1 z6 J: p% X$ |) `% N# g
x = 2 * cos ( (t+1) *(2*180))% L5 e, j! w2 W7 ^( f
y = 2 * sin ( t *(5*360)); }1 S( j' F5 n! u0 h" G; O W
z = t*(t+1)& D1 W6 H# r: h# {9 S. Q
$ Z7 s0 }( k' a$ d2 r3 B {
2 h: p1 o7 R+ f, S% x" ^1 k7 K43.8字形曲线
8 R, B- r/ m" ]3 F+ p: E5 \柱坐标
! O o$ v) \2 I4 j
3 `! O% z9 ~, l( A7 mtheta = t*360" `7 y5 Y( L2 T- `, B
r=10+(8*sin(theta))^2
L5 c# w- W5 R; h2 @" e; p0 d
2 E2 p+ a" M s: n1 Q% j1 }! ^$ P
44.椭圆曲线 c! u2 }8 o1 y+ C
笛卡尔坐标系/ y( }" D0 J" Y2 k
( h4 a- x* P2 J: u( Z' @# |, W8 E
a = 10
# C0 H X" n4 d& r7 i3 h/ Kb = 20
: A0 u" N. Y5 j( wtheta = t*3605 Z6 S0 q( m- W
x = a*cos(theta)" j2 [+ Z% Q; a# b* }$ Z$ C
y = b*sin(theta)
1 o' U7 ~2 t* B2 a @5 e8 U2 F8 `6 \3 [+ p/ V/ U/ E0 z. l7 Y
6 K0 s% ^" p3 z- X! |# O45.梅花曲线
& c0 V$ @, p$ b) _柱坐标
" Y" O X& N( R5 E. F S6 S- q. _9 }0 ]2 e; L. I9 @
theta = t*3605 D4 U/ Y( w5 x9 U$ K/ P' [
r=10+(3*sin(theta*2.5))^2
1 L: E$ I6 F' K0 W6 a2 N
$ B" L5 S" g0 ^8 F+ `' j n! T$ E+ [9 E6 c! C, ?0 f
46.另一个花曲线
5 f" ^; C' S1 B `* s+ c/ i6 M
/ v- c2 h* o# G: W" A. A8 Rtheta = t*360
/ v% M" f- Q2 c/ I8 O; Hr=10-(3*sin(theta*3))^2
1 S K J$ N) a% @/ m5 s8 E6 jz=4*sin(theta*3)^2
% ^! F1 ^/ G& l' m0 s/ A# b0 P( C, I2 p/ S* t) \4 u. D( U
9 w# u9 O: i F. _! T47.改一下就成为空间感更强的花曲线了;) @5 ]* T% b- {1 @. k
2 H" W& b: }3 a& y" i9 N( xtheta = t*360
2 `7 y2 Q# U7 A+ q" V5 er=10-(3*sin(theta*3))^2, N6 {' Z% H7 D% a
z=(r*sin(theta*3))^2
: ~4 u% R2 G Q: k- u' _' v2 U/ G( a8 Q6 f* M
3 }. a9 p% V3 J# u# n48.螺旋上升的椭圆线
6 O4 j( X8 ~ h% [
/ z- u- z# D( w# Ma = 10* i5 y& l, t1 s$ ]
b = 20
. F3 m7 J0 N# P2 itheta = t*360*3: M$ d5 l4 ]7 U* r F
x = a*cos(theta)4 `0 ~* l' J8 w- s
y = b*sin(theta)$ w# R% Q2 z2 S4 \* Q
z=t*12: h7 n6 x5 K _, V# ?
- E4 w; G8 q5 A
8 q: S0 p# P+ a" j1 E7 I49.甚至这种螺旋花曲线$ t1 L, j; S0 ]- ~1 @. o
" Z/ p% Z+ ], B1 Y H; _- e6 ntheta = t*360*4+ ?, J# J$ [7 S2 a
r=10+(3*sin(theta*2.5))^2
# _! L. V8 @- `3 x. \/ X" j* oz = t*164 h8 a) |0 z8 R, b
0 _, P; I/ m& g" C. \: l+ Q1 D0 f( P' |
50 鼓形线. _) E; t0 W8 i' Q
笛卡尔方程
% `- {/ j; u. N6 j
: ^' A! x' \0 Z; H# O" wr=5+3.3*sin(t*180)+t
! e9 A& C$ z% S# c/ ~theta=t*360*10
* I. z! L6 E9 A' n) q3 ?0 Q% K) {z=t*10
6 J# ^# Z2 _! c( @6 V/ B
2 \7 m) w5 B$ d# C( ~- i+ i/ f+ I# w q$ B( j6 I# s! Z
51 长命锁曲线
% L. J' u. @+ x3 ]笛卡尔方程:4 j! r9 z0 |) n# v) [
7 R$ I* z( \* u) \8 Wa=1*t*359.57 h" f g3 j0 H2 s0 u- `6 B5 }: M
b=q2*t*360
! }% q0 e' Q+ U9 N! d* vc=q3*t*360
( P7 M b- e/ O6 c# T6 m. ]! G! ?) [0 Frr1=w1
$ t# }3 E! I+ Q9 Y% Qrr2=w2 @& R) K9 R$ x, a; h) B6 ~
rr3=w3
% O5 H+ |4 I1 G' @3 D; ], jx=rr1*cos(a)+rr2*cos(b)+rr3*cos(c)# H, V7 P* M9 }, W+ P$ n
y=rr1*sin(a)+rr2*sin(b)+rr3*sin(c)
/ H( C$ ^5 u# z
`# U! j2 x% G5 o# @3 Z
5 ^0 g6 M0 ~# N0 l( ]: x52 簪形线
" s6 L6 S* w; Y/ [9 ^0 e: ? g/ s
球坐标
' Z! b2 K8 `* O6 h2 S; qrho=200*t
, s0 K V. ?$ r/ {8 _5 I+ ]1 T+ Ptheta=900*t
A7 d# t' ]5 X" Gphi=t*90*103 U+ v. P# r8 P& j$ w) L
3 H% u( t; P* d* V; ?# l" C6 M8 A5 {% ]9 g: e, g0 D, l
53.螺旋上升曲线) x+ J: |2 ~) K3 l6 \
) C/ ]" n8 Y0 p3 G8 R0 Ir=t^106 g, Q9 |9 ]4 G) ~3 }5 a8 L
theta=t^3*360*6*3+t^3*360*3*30 G2 Y& A& D, H! n7 B1 L. }7 @4 S
z=t^3*(t+1)* D2 B% I, F6 W
2 x5 S! g: r; y9 u7 W+ b- P8 F" X0 A0 Y# d! _! ~. d
54.蘑菇曲线
# X3 ~1 k4 E/ Z球坐标; C8 n& X7 g0 p7 b6 M5 v
$ r" G% K8 M( f* d: j% V2 ?( trho=t^3+t*(t+1)
, T3 j" y$ E7 H! \+ D% l. Utheta=t*360
/ X) b* K* T; C5 mphi=t^2*360*20*20( k) }! |2 u# I' \+ @& t3 m
$ g( y! u, i/ y* N" n- P
# j. p N6 `; m7 b' T55. 8字曲线
7 c( z* J7 z# Y0 `8 C8 b8 ?$ v$ x* K+ y) B9 U. i
a=1% `- w# R e* N( a+ | n; }& K4 @
b=1
& n( E# X' I8 f- N* \3 Q( P7 Yx=3*b*cos(t*360)+a*cos(3*t*360)
+ C" Z/ e4 d+ V8 m# i: E/ s) tY=b*sin(t*360)+a*sin(3*t*360)
3 ~# Y1 t7 \: k7 z# q y0 f; w6 d' z- m- v" X/ V8 V
2 d' D# t( `* {& D
56.梅花曲线% H4 W8 r0 y/ }: F
% ?2 `5 [ u& K# w/ E& `5 r
theta=t*360
- T( e' i9 |8 A+ w& q+ cr=100+50*cos(5*theta)
# _9 [+ T b3 ^# L1 X( x) `, Yz=2*cos(5*theta)4 h5 ]) h* }1 _# j' N* F9 p
- r9 v" h3 G4 A
+ |2 w8 l: @' N$ X( \' y0 d# Z$ k# Q4 i57.桃形曲线3 H% g: Q, D4 S/ S8 ?
5 g9 N+ w3 r' G* u4 r4 A# @
rho=t^3+t*(t+1)
2 \, T C+ E. d$ Y! Htheta=t*360. f% g% F N) U) C8 O
phi=t^2*360*10*10! Q. W: u4 A# H s/ e1 g# p
( i5 w \" |; a9 J/ `, b+ ]
( x+ K/ u$ C0 c5 r' Z( |; u f9 Z58.碟形弹簧
. r+ D, y- s6 K. @0 w圓柱坐6 w2 W. D' X. l9 q
" a# `3 E. L0 wr = 5$ b7 Y% p8 `/ b4 O0 g) p
theta = t*3600
; v3 o& F7 b% t' s( P( f1 i' Y; az =(sin(3.5*theta-90))+24
: ]1 v0 \. n5 q! k9 u) w
8 V* Z# U ?; g8 c6 S0 I
" K1 p' Q" }8 e8 z# K( T6 _1 `59 环形二次曲线
1 j+ Q' @6 d4 P3 y笛卡儿方程:
! N4 p: Y# q7 h0 q' K8 ^4 e9 f' F) j
x=50*cos(t*360)
2 b4 Z) t# Y3 L; }; Q( fy=50*sin(t*360)8 ^+ R- L& I3 L$ d; ?
z=10*cos(t*360*8)7 q" _/ d" f: M# F, q
! k% L: | F$ i+ Q
2 F0 T, i- i1 t60 蝶线7 E, g6 z% U. O: h
球坐标:$ y" M( t- a; q f0 ^
) T; x2 R; W' F+ p1 j' s, J) S
rho=4*sin(t*360)+6*cos(t*360^2)
$ }5 d e$ R" [* ftheta=t*3609 g3 E0 X) N& t) P+ o
phi=log(1+t*360)*t*360
: X( r7 Z; b& U
$ Z) ]9 \+ P7 e i( J) h
4 M" {7 o' n( a; `) K7 }- v2 `61.正弦周弹簧+ e% N6 [8 I' W0 O+ a) y! k8 K- r9 j& z
笛卡尔: @: P) ]0 ?2 A D- J
; k' w5 b7 B" \. rang1=t*360* Y5 z" y# {/ G% D! R+ Z/ v7 x
ang2=t*360*20' B3 O i# m! B
x=ang1*2*pi/360+ y& }6 z( y/ U) s
y=sin(ang1)*5+cos(ang2)( M6 \; i( t" g3 t( r. \9 W. S
z=sin(ang2)
9 I) I; Z! s1 t7 F" v0 c ]2 K5 ?/ _* i
+ T$ T* b/ z" z62.环形螺旋线8 x" F/ G4 D7 ?+ u1 h2 H7 t8 ^
笛卡尔:! ~$ G! d w6 j* N
5 D! s3 Q+ @9 d9 S& C/ S+ n
x=(50+10*sin(t*360*15))*cos(t*360)( T! Q7 A6 t6 J( U6 v1 B
y=(50+10*sin(t*360*15))*sin(t*360)
, @/ _+ s. ?- i: zz=10*cos(t*360*5)
0 h$ `( W4 Y! g2 C$ h( x- J
2 `/ d5 E2 Q; G6 @2 ~+ E5 A6 k7 ]7 ]( Q4 i/ n3 @* \
63.内接弹簧( @; x5 ^2 ^' l6 @
笛卡尔:9 [ m+ G, Z4 K, ]. ?
0 |. F; H1 F( w- R+ \' Jx=2*cos(t*360*10)+cos(t*180*10)( x4 }, d7 U& v) V
y=2*sin(t*360*10)+sin(t*180*10)6 _# v1 q1 N/ r# J; v y+ m" b
z=t*6
4 u2 R; Y8 I4 `; o7 k( Z0 m" ]) n- |
t/ c ]& a, u& w. e9 c; o1 y, \0 Z; c64.多变内接式弹簧
0 F1 v- h5 E5 B* j' O6 p笛卡尔:% D# Y0 R$ j) |) u. ^6 Q
: I9 Y; F @/ Z0 l6 ~0 a* F% \
x=3*cos(t*360*8)-1.5*cos(t*480*8)
2 r+ c' z- A5 ^y=3*sin(t*360*8)-1.5*sin(t*480*8)
- Q/ ~& g. u: q) v* C% S0 oz=t*83 Y; _( [7 C, h& p" f1 J) z
& G& y6 \4 P$ ] u3 l7 b1 T
4 }0 s; F2 H9 ^ n( m M65.柱面正弦波线
5 R @7 R1 x3 z$ {柱坐标
5 Y( B6 C/ q& }* b3 q' a! T/ \2 b* z2 Y: n0 w; x& E
r=30. o3 ?7 a, q# u! \5 Y* g. P
theta=t*360
! y# Q. Y0 a1 \- Z5 H9 V& v& {z=5*sin(5*theta-90)/ j8 n8 ?* v8 K' _+ L% k
w, T5 X C2 a( b# |7 D D$ Q( j! P
66.漩涡线) ~, b" ]) D, h
球坐标:
/ Z/ R D7 Y# V# p6 W# B+ H0 J$ E. j+ D5 ]9 I) }
rho=t*20^2
9 u% y/ r7 A$ R, u4 Y2 ~5 ~6 utheta=t*log(30)*60
& C' K) g: ?+ Q/ tphi=t*7200
( u& j0 @2 h" W3 @- U# {1 o8 K4 Z, [! D" S: O4 a; i9 K. W
1 @0 ?( s: ]; f
67. 手把曲线' L& ]5 U- L) M7 j$ U
笛卡尔:
( C0 g% e6 C j" a1 T8 N# A+ V2 L8 }: F) G' R) T
thta0=t*3607 y7 M: z6 Q" h# _
thta1=t*360*6) X5 Z; P$ s, u! ~; _6 e
r0=400
5 Y0 ~/ Q4 Y. g a1 sr1=40
0 S# m! s }3 t/ u; `r=r0+r1*cos(thta1)6 J7 f. ] ^4 T6 I: |
x=r*cos(thta0)
6 X5 ]+ k! C+ T. B! ly=r1*sin(thta1)1 ?) }& q2 e; M. g1 K' T
z=0; B4 ^8 B# m0 G% i
( c) w/ T' e4 i8 _7 r- [& w2 g6 Y7 r/ @3 @ h
68.篮子9 X. ~8 M2 A9 _2 \7 G. E; `, g
圆柱坐标2 z* P b4 h; C5 _( _
3 N+ o! b7 d4 E$ Z8 nr=5+0.3*sin(t*180)+t2 ]+ V- w3 [7 }/ N" e
theta=t*360*30
& s9 ^( a% D9 @( M) J: b5 oz=t*5: }: G O3 |; q5 ]6 w
' P; {" G8 h/ Q8 J C) P. ~
& p9 K0 G+ l6 g# Q6 ?) F
69. 圆柱齿轮齿廓的渐开线方程:4 |& I3 L6 u) t: v) p
笛卡尔坐标" w# s5 ^% C6 y9 p1 u8 k
* A) d$ ?- `& W2 Z: b
afa=60*t. d! ]3 ~2 l6 q5 U
x=10*cos(afa)+pi*10*afa/180*sin(afa)
& U# D1 X- d" H8 K8 S0 O+ ix=10*sin(afa)-pi*10*afa/180*cos(afa)6 z5 d- r( z/ q! t5 a- P" j
z=0: w" B! A6 B6 O" A
注:afa为压力角,取值范围是0到60,10为基圆半径。- @: Z& J+ {: R! [0 B
; J4 S7 j# ~' K& y) r( [! A
: J1 p5 @1 l5 X! [
70.对数螺旋曲线& H% g' ]: v' B$ h9 n$ F
柱坐标:/ c: H! r; |/ s4 r
% O/ |6 j ?( d6 K/ L. b1 kr=sqrt(theta)
( F1 c/ N! n0 e) N* ^! t2 Ytheta=t*360*308 `8 X% E$ b! i2 N+ C
z=0/ I. @3 G- q2 \* k g. R- ^& ]
9 R: Z5 S9 J d) Y+ V# m" R, I
7 F; m7 ?/ s, G2 @
71. 罩形线
7 K. k, D# Y0 }# u5 h" ^6 y3 g球坐标:
+ O& ]' w' q, A. N
4 }# H5 j4 J1 t2 X! o1 brho=4
8 h$ y' s+ T' {- y9 L3 Mtheta=t*60
1 ^- \9 D( |( _; b% m, X, Y" iphi=t*360*10
3 z+ q% g: A j/ V# j- |- q# l
& F2 x: e2 @# w
) K4 [; d4 ^5 N+ O7 P0 V+ Y72. 向日葵线* W, F R( a: u# L. e* p
笛卡尔:
: o( T2 U$ X: n9 f4 V
% y% ^3 e! H" C. ltheta=t*360
7 R7 v+ g4 A4 n" p7 H; K- yr=30+10*sin(theta*30)
$ J' V& M/ T; z) D* z3 \, tz=08 z$ R& L, `8 p7 Z7 K0 i ~. ~4 H( q
0 Y* r+ R& p9 m" l# _8 X
( R) |3 W5 l" ~9 W, |; l' w- s73. 太阳线1 y6 W- H1 }. c
笛卡尔:" U0 a' w& S4 B. ~: W9 m+ C
" ]( ^( ^! H( ~8 [) P4 H6 Hr=1.5*cos(50*theta)+1; d) y$ Q) H" C- p- x5 u
theta=t*360
; R" i: A! b1 R6 ^7 yz=0
0 R' k- Y+ Y6 T! d U2 Y9 p& T0 u: h) N& `3 J! }' W! n1 y) Q) y$ U+ u
2 w3 ^, z! b" K7 y. ?2 T; ?
74 塔形螺旋线
" n8 p8 Q- F2 x/ b) O* {笛卡尔:
% q% p7 a; p/ R6 L+ l* U' N0 |) ]1 y4 O _+ W$ s1 L
r=t*80+50
% @. N7 {& t& {* G* t8 F/ A: ktheta=t*360*10
( @% u$ E! v6 R; e' Qz=t*80( ]+ J y) g' D+ Y
+ j; W! F5 e5 t x
# y- ^, A( C' u8 |( J75 花瓣线9 {" m: C. j' F( R a; s- J
球坐标:4 M& Z2 z8 Y$ h" D0 I
8 l# l- t/ ^1 _' \rho=t*20+ o* ?$ L$ ? R, d" j0 A: i
theta=t*360*90
7 {; ]! b1 \( O' F3 y4 Hphi=t*360*10
! Y7 {5 a" N& O d) x2 y
: \) D4 I% n$ Y' m& [: P9 e6 c) v7 z( K0 S1 C A5 Q
76 双元宝线( v5 G: L7 R9 R5 `$ m
笛卡尔:
6 k+ \5 G/ {9 y+ w( e, t) G3 C3 l
% F5 f6 b! C# ]& j- s0 d- b% C8 G1 yr=sin(t*360*10)+30
6 G9 }0 J/ i3 N5 p1 C: Ztheta=sin(t*360*15)
O1 [, x1 h: k5 v2 l- Q2 Q9 d# vz=sin(t*3)' L+ e$ R( k' X% s6 d
: Z/ d* q5 ?* _' S
/ L# q) g$ Q6 O. R( Q
77 阿基米德螺线的变形, w4 S$ X/ G0 r$ d! M8 v
柱坐标
' r* z$ O6 ^% c0 R; ^ h& }( C. L- x( q# G
theta=360*2*(t-0.5)
, ^6 d3 F! m( r9 k% n6 |r=10*theta
/ O7 ~$ u# L5 u" f0 k' i6 Qz=0
" `! x, ]" z) ^% c4 {0 _* _" }) g+ ]$ C1 |- g! V
& E( [5 j! @8 K$ f1 \) h& S/ z78 改过来的渐开线方程
% u7 h; W) k; j4 u [$ J' y/ P! @* `, f1 T5 w( J: A
r=20
# J2 F; v# L9 G. ?$ y$ N1 l1 D4 q" {ang = t*360
; X* {) |5 ^! S8 L# W- O; ~+ P' qx=r*cos(ang)+2*pi*r*t*sin(ang)
* W$ S. r. h. g+ _; A; u$ ~5 Jy=r*sin(ang)-2*pi*r*t*cos(ang), z9 [) t* k& {
z=0
& I( b6 F/ q$ @. ^! X; R前面的方程是这样的:(对比研究一下两者有什么不同)
5 E; m4 F N: q) n+ R+ B- t6 J* {9 o9 m# G/ d) @9 r) b q( @
采用笛卡尔坐标系# O0 M( A2 b; M, f0 l
* j, {6 ~+ v# D4 M- p
r=1
: ~9 Z0 z/ R6 A) b# Zang=360*t* S& f+ N) [) J& [& M3 q
s=2*pi*r*t! D4 Y e& [( I# k) M" S0 x' |! o
x0=s*cos(ang)1 I6 Q j) W$ n1 O& L3 b7 ~. i6 V
y0=s*sin(ang)6 ?" i) M& M |' p
x=x0+s*sin(ang)
6 J( |! b7 ^/ G' by=y0-s*cos(ang)( b3 l+ e" U% t0 o4 M
z=0
1 C. n/ d: u- S, x* W' D0 s+ R7 j- L" Z
) X9 E$ c7 {8 d79 双鱼曲线9 u5 r7 N, Q/ Q5 l; z T4 }
球坐标系 k8 ?$ x4 p: y; ~ |: V1 R \3 `0 |
: C9 L v2 [+ R: q! P
rho=30+10*sin(t*360*10)
% l* A- K9 k% u Y. a$ Ptheta=t*180*cos(t*360*10)7 B% {& b' A- ]7 A( H- u
phi=t*360*30
$ c( X" h0 r8 R# }$ y) E. Z d0 i
) v6 h) c9 U% d6 a& f; R' f1 T+ c. ^1 @7 _' i
80 蝴蝶结曲线5 G- c( I/ l" Z W% z
迪卡尔坐标* \2 G, ]$ v) d9 i6 d
. ~! b* h( j8 t! r' U; q' k. Jx=200*t*sin(t*3600)3 B" c/ P6 A( t' w
y=250*t*cos(t*3600)/ U1 Y5 [+ R" T# O$ v& c/ L
z=300*t*sin(t*1800)
0 y' D2 d; r- U- l6 \* `
. ~7 w/ o; H1 C- G$ a! x& p
$ ]( v" l0 @+ E7 D2 Y81 ”两相望“曲线( A+ f' G A) C/ X% Y0 `
球坐标系) M8 i" W7 x9 E& J' m6 N
" v9 K8 s. x. u, f( ^
rho=30
4 d" U6 [9 Z2 T) A! otheta=t*360*cos(t*360*20)2 Y* T0 s6 N6 C. A4 q% r
phi=t*360*203 @/ F9 g! a- ?0 O- p9 R" `7 R
1 B" I+ e/ a. |6 D0 p
+ j" W9 g+ C, `, ?1 I82 小蜜蜂2 E+ b% e3 h' E r6 o5 O
笛卡尔坐标系:
: M/ m( _1 Y) n) C$ g; f6 D" z7 b9 a3 N {
x=cos(t*360)+cos(3*t*360)
O0 ^: n$ y8 P; `2 ?Y=sin(t*360)+sin(5*t*360)
3 u, d" x- G( i% j7 r e7 L6 a9 a7 `+ K" I9 {
$ T3 x4 i# L' ^5 ~3 Q* u83 弯月
7 f% i* n, k0 Q4 B2 d3 ?+ H6 a; y# @5 H) d& J. x
x=cos(t*360)+cos(2*t*360)' N' x! I# u2 H; ~/ D
Y=sin(t*360)*2+sin(t*360)*2
+ N/ r# y3 t& d- ^, Y) ~
- S3 f. v# M D: f) j/ m% M8 s- J' }1 N; K
84 热带鱼
& _& m4 X3 n! `7 y) C1 u
. w# E6 b5 n! la=5
$ T0 d1 i/ u1 L( P- x1 N, Rx=(a*(cos(t*360*3))^4)*t
' f: p Q! w! F, Ly=(a*(sin(t*360*3))^4)*t
: n( p+ L4 n' s' K8 W, o* i
1 Z7 ]9 E9 x) R" W: J# r: V) @' T* Z
85 燕尾剪
1 o8 D9 O2 `# d/ {% q9 k4 h2 \; Y+ l" |' r
x=3*cos(t*360*4)9 N9 U# h/ z, e
y=3*sin(t*360*3)
5 h2 S, j4 O% w8 Dz=t
2 @2 \( O T6 V" r1 u
; }/ b7 y ~. u
4 M- H7 v& v8 R" I86 天蚕丝) w2 W. {5 |' G( j5 b8 Q
柱坐标
% l$ M8 a. z5 s
" S( q/ E1 W! etheta=t*3600! _, w& h) w4 H: b
r=(cos(360*t*20)*.5*t+1)*t
5 e2 q ~, O7 \% a- y2 p$ N' g7 d- N% _/ B/ F! f+ X
6 M8 e8 f0 U- i8 f87 心电图
: c0 b4 t+ X* X) [$ g" N% ]圆柱坐标系:+ [9 W8 e9 k* I2 Z4 G$ J8 e+ ?* u7 S
# h) S" ^4 P4 w, z* s; P4 vr=sin(t*360*2)+.2% \/ _2 S( o: D3 y; m3 n
theta=10+t*(6*360)9 ?& k, k. z# G: f3 g( J
z=t*3
& J5 ^0 h( v9 g# G! w
5 U7 S v9 N8 H0 d* n! g' J
& z& F3 Q, s* R6 q! S88 变化后的星形线' V6 I% w! O& n- x) J/ n; [9 x- M
迪卡尔坐标系# I# L' K5 B. O5 x
+ c+ U. ~. l8 \$ c) |theta=t*360
8 r( [1 s, X7 F% \* r+ Px=10*cos(theta)^3& V5 k/ C& {2 _' }! p
y=10*sin(theta)^3
8 o5 P) r5 e6 _$ B9 |% Nz=cos(theta)
. {: ~1 J. K! `. W8 b4 e$ f% K1 Q
8 B* g7 R; x- D' G, L- i1 s
89 小白兔0 l* \! I. m( d8 P7 @! j6 \4 Y1 m
9 B4 c% x$ @- y7 L) k% |' ~4 D9 h
theta=t*360-90
& ^! o% o7 Y" t6 y/ L4 vr=cos(360*(t/(1+t^(6.5)))*6*t)*3.5+5# i8 ^1 R+ }( Q! l
% F2 L# h% R; e/ Q& y& Z6 k% w3 _# d& F" c3 H" ?% r/ `
90 大家好% b3 ]+ H9 Y+ I' m
柱坐标* F* i7 a- l( \! a; ?
4 o5 H; p7 U- Z9 n& _, ltheta=t*360+180% u2 w& ?% ]) p; T8 h
r=cos(360*t^3*6)*2+5
# m' ?! C. c* G7 ]. _$ b: K+ r5 W
- k* g; O- G8 C% g* \0 r( ^% p6 h
/ m8 J6 S; u, r2 [/ g$ ^91 蛇形线) o) v0 {$ R) _
笛卡尔坐标系:
! q" U6 b9 K2 `2 ^: a$ h, Q/ @2 e$ a
x=2*cos(t*360*3)*t7 r! }$ N! R* f( ?& d! `9 s: p
y=2*sin(t*360*3)*t" M- G( b" \6 h: @0 H, k
z=(sqrt(sqrt(sqrt(t))))^3*5
1 Z+ T! Y8 Z: T! v- U* B- o" p! r, D( W3 S# H
8 ]: k. P* I" O. U% [( h92 五环6 l1 ~' N" i1 p& j0 r5 u8 T) y) ]9 c
柱坐标:1 S% P/ Q! R* W- k; M* V/ v1 a
) `/ M1 `- z* r- @* V4 r+ _! K
theta=t*360*4* t" q4 v$ z; K8 A' B# p
r=cos(t*360*5)+1
9 W. r9 L @' U
9 K/ p4 L `; O7 D1 C: E& X, W* |4 s' T/ }, ?, Q5 \6 m1 T# y
93 蜘蛛网/ o- _7 P; t) |( A2 O
柱坐标:& Y1 I8 _* C, F! p2 r# [3 d% T
1 g% M8 @6 t- ^ I/ ctheta=t*360*5
4 ]* A( A* b$ q, ?; U% Q' Br=t*sin(t*360*25)*5+8
0 g$ C4 T: ?) L1 r
; r: \! q" m( M H* s
7 ^0 p9 |, e0 `' X2 `) ^, [94 次声波% Q; c" w# l- `& r2 P* c0 i
笛卡尔:# r' N- O5 J/ Q: @
3 n; c% Z* t7 O) g) Q
x=t*53 g, {; d* g$ Q+ w- s. ]8 J C
y=t*cos(t*360*8), E+ z" b c) e5 @2 O. l) H
2 q2 r' p9 }! V( b( U
& z6 r/ z+ q$ B. c, n1 C& i& [- i95 十字渐开线
q( U# Z. k+ h5 K+ [( G8 [柱坐标:
4 n1 K$ F$ E' g9 h6 ^! p8 I( e
7 y' @% y: ]( u! ^" {% G5 N% e2 dtheta=t*360*4' J0 W$ ]: K* d+ {- N
r=(cos(t*360*16)*0.5*t+1)*t: F- d" D% M! K9 W* k0 d
/ o) Y7 C7 f4 P' J
1 k6 _& l( O2 o2 Y* r96 内五环
1 d/ n$ v1 x1 b2 d笛卡尔
- D6 T) |2 x" B" j1 H! |( x- y9 k
theta=t*360*48 }1 O8 P6 F7 Q" p C
x=2+(10-5)*cos(theta)+6*cos((10/6-1)*theta)
4 W/ t8 j. Q; g' Z* f9 Py=2+(10-5)*sin(theta)-6*sin((10/6-1)*theta)
' x. n# d* d% E! v2 G2 r; |7 f! u9 ]4 W! j
' x$ \9 Z6 v9 F c- f6 _
97 蜗轨线& ?" B( ~6 m: y
柱坐标;
+ j. u: |8 W% _
! Q0 O& G: U: F# X7 D$ J, F3 z2 Ytheta=t*360*26 k$ a, @# V2 b/ O+ a- a
r=cos(t*360*30)*t*0.5+t*2# Q6 o' o8 [9 P# D) w: z
3 p( ]( M8 p L0 r; h+ L; @
) q! `9 U' p4 c
98.鼓鼓形线
7 ~, H5 Z i& o9 x4 [+ u; |, v4 k& K5 O# e1 ^7 C
r=6*sin(t*360)+t
" s. ^1 j' p9 ?( M% M7 ttheta=t*360*20; ~' b: _! }/ G2 @( q
z=t*20& q! t$ f# U1 v% Y
$ S H4 f0 M- c
- h9 }6 C" b" O, `1 y5 s7 d99.笛卡尔坐标系的圆内螺旋线6 Y' U7 i3 f2 E( W$ _
* q' h; ?7 k5 h0 @a=5" ]1 C+ L! e7 B# o
b=3
! k6 v, o, A# {3 s dx=(a-b)*cos(t*360*180/pi)+b*cos((a/b -1)*t*360*180/pi)$ h L" l6 Y% S/ L+ m7 |
y=(a-b)* sin(t*360*180/pi)-b*sin((a/b -1)*t*360*180/pi)4 t$ b4 g9 D- T) N
z=0
% j* n) V1 z8 B" {
( S; {) C. M0 D) ^( \; i' ^( I1 {) H. y+ L5 N8 a& f: J
100.肾形线. p' P9 H+ Y: M2 s
柱坐标系& g O% |/ I% q6 y+ e
: R1 h+ B2 g! w Ua=2
8 m' v5 d1 R/ B) s+ ]theta=t*360*180/pi
9 K4 ?6 t) Q7 \ t! fr=a*(1+2*sin(theta/2))
, ^9 N( X6 F7 i/ lz=0
- o3 F4 ?' k" h% @! A0 z& ^; O) r; p+ f0 u* C+ H: Q/ s
! t/ a* y4 o# N/ W
101.花形
9 e. }4 [, F9 q/ e柱坐标0 \7 i# [; F" G
, Y( e3 I! Q! v( U- Qtheta = t*3602 `, Y( k7 ?+ E# I c( |- n
r=5-(3*sin(theta*3))^2
; l3 N- H: ]1 f6 E) Tz=(r*sin(theta*3))^2
5 i+ X; _: n* nthe=t*3609 _$ c( [+ b$ T5 n
r=10+(3*sin(the*2.5))^2) t: `7 p# A; B3 b% b
z=5*sin(6*the)
$ Y! ?9 c' T4 x2 D- Z7 _: M# T* Y, e( D6 |3 Q! k
5 J! {' Q& j1 R
102.一朵小花
. W" Z8 c. `5 j, f( b- i6 U圆柱坐标系
$ {2 A' H% O( Q3 ?+ h5 u) I" h# O0 H& Y& ~" F
theta= -t*360+180$ A9 Z1 B, l; n! C+ n5 z
r=cos(360*t/(1+t^8)*7)*3+6
, n8 T3 Y* H! E7 S
+ y! o& p! N9 j* ]) ? d$ }2 @4 p) f& f6 f% i8 J
103. 人民币
0 A7 I- u0 I$ }8 B0 h' p4 {) p, O- Y$ M3 W+ T6 u
theta=-t*360+1801 A) Q; z. b, _# [% J) r' [
r=cos(360*(t/(1+t^6))*6)*3+5' H% B" }' K/ X4 U) b ^) e
1 c: \ t$ {% j3 R+ ?, Q- U! t8 v9 V9 ]' ]6 }8 {
104. 天蚕丝- J. \5 v" T4 {+ w- H- S
" V" B, A0 f. P9 k. j+ D
theta=t*3600
% x* O2 f' c$ m' ~" z3 Pr=(cos(360*t*20)*.5*t+1)*t
, O1 D# Q B% V; s' ~3 e8 k ^! t1 \5 g$ m9 F5 x j1 o% f7 q
" n6 H9 u9 d# A4 H! F2 b( t105. 红十字
8 V3 _$ e1 `, L U7 E- g0 [# @/ B! v' G) L: G4 e( [$ j
r=cos(360*t*4)*.5+1
7 Y) Z! h# Z) r+ a/ otheta=t*360+90. W+ p! a, Y Q; z8 ?& Q2 _6 f8 Q
" `( Q# o& W/ w& \' M, A" w6 b; a( _ O
106. 波浪花带
O8 C$ C9 b! U8 F+ D+ i圆柱坐标系:
) [: @, e7 e; `1 N x1 ]- E3 h
1 ~5 \3 g% C# x9 m# m; |r = 5
! B6 a9 r" F6 a8 n6 M$ p7 Gtheta = t*720
/ R l2 H% ?! u/ l, b: _z =(sin(3.5*theta-90))+2" V3 A9 r7 O: y3 g! f) Q
, d% d3 N& A. ^1 ~. l i
$ \ M* q9 ^6 y" ]107. 正弦波
& f% R) t+ ]6 \1 F0 O笛卡尔坐标系:- Y) U4 N7 a U* Q& X
' |+ V# B) e2 R1 q) x: E7 W
x=5*t*t- U0 J/ [! C3 e( Y
y=sin(t*8*360)*0.5 |
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