9 F, `8 o U3 t' Y" X- J) @32.tan曲線- r1 ^$ Q. V* T' m: z! v9 @1 [
笛卡兒坐標(biāo)系. n3 O1 G! Y# r: a$ x4 i
' r3 }" i- B' n
x = t*8.5 -4.251 d8 A Z) U0 s% n! e# Y
y = tan(x*20)0 ^$ Z0 h& Q. A5 C& M( F: e
" d9 T0 ?9 G9 ~+ f' M/ T
: s- B( C1 w, J( g/ L33.雙曲余弦; ^0 I7 w# n6 X1 @
; g, T0 f8 M0 y
x = 6*t-3& b' b& @% \; b3 k$ n
y = (exp(x)+exp(0-x))/2 " @0 ~( r4 h& T( d3 N$ Q, U. ?- |1 `0 D& @
+ w! g/ p n4 _* f. k/ ]6 H* T34.雙曲正弦: j- i/ \: E" A2 e( c
7 q5 y6 v' S a# z9 Vx = 6*t-3 / _5 v; }8 C7 [ k' `+ h' F; [: \y = (exp(x)-exp(0-x))/24 q: u7 o( y7 p+ d
, d3 t1 w/ i# A/ v4 v# Z
7 P# n) ~; N; L" B
35.雙曲正切! Y- o2 \" y( P, U) m, `
2 K4 j% @' L Z. i0 @+ ]
x = 6*t-3, q* P6 | v) z2 \) C+ H7 R
y = (exp(x)-exp(0-x))/(exp(x)+exp(0-x)) 3 c) u9 ]# t1 B7 h ; p% t% e1 V- U, ^1 c4 x * F: M$ P9 B; X! B% @36.一峰三駐點(diǎn)曲線 * Z4 r E# k7 U6 N* T: u8 |5 A0 x$ q# S6 e' C
x = 3*t-1.5 0 O/ T" z5 D2 k0 Py=(x^2-1)^3+1+ b v& J+ i$ E( F4 G3 Y+ s
$ ^: v- p4 v, {( O1 d) K0 D/ t9 z2 T& I1 l$ G1 U2 w
37.八字曲線 5 O! ^+ g5 }* R' c5 ~6 l- s9 {3 Y% X3 `1 Q# }
x = 2 * cos ( t *(2*180))" C6 c( C& i& r* d2 Q$ _; i
y = 2 * sin ( t *(5*360)) * b0 J9 l4 ^/ i2 B7 nz = 0 o. A: h/ I4 C. B
1 ]! p( n" a) R' p) d
( x& d" |# N) T( E; E) {& p' o/ S8 [
38.螺旋曲線' }0 X3 X, r* d3 a" u
: Y7 ?) @1 s5 g# l% S6 K
r=t*(10*180)+1 " s8 ~8 w0 J: o7 m3 etheta=10+t*(20*180) m* a" h9 y' h3 }6 x N
z=t 2 E2 [1 W7 C8 G6 j2 k7 H; j; m" b0 a8 T2 K5 \5 c
7 f: y# k' K) ?2 e: l4 [, Q" [) {
39.圓; q* v+ S n& s! t0 g( v
' N7 J& B2 q7 }: ~* C8 J, g' Ix = cos ( t *(5*180)) + i9 G8 i. j# iy = sin ( t *(5*180))- B) e1 C& M6 ]. j: i
z = 0! O( [6 |7 ?8 L! C
+ c$ x" l- ] y4 W& L
7 k, B' R$ R+ T @ v; Z40.封閉球形環(huán)繞曲線 1 X2 @; `5 B* |" c( g2 z + {( N& {; P, c4 y7 n) Erho=2) Q& ^1 d" i! @; ~1 O
theta=360*t( l! V7 [$ t4 f# e4 ]( I# A- J
phi=t*360*10 ( i5 Y9 D C4 G7 K