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发表于 2008-10-17 20:32:36
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来自: 中国台湾
(defun c:mycos(/ p0 p aa idx x y);y=cos(x)
* D% u5 v# y# W& { (setq p0 (list 0 1)$ N" O$ J% K+ f
aa (/ pi 180)
8 p9 {# A5 V4 Y" J! g' a% X1 z, Z% `# u )
8 \% \% c2 w O" k7 I) y3 X (setq idx 1)$ x& N& Z0 \3 I0 g' E: R& j D& e% m
5 c# b. S/ ^, M! T1 D# n (SetVar "OsMode" 0)! S; ]4 J3 K+ o3 s9 `
(command "Pline" p0 "Arc" "D" 0)
3 p3 L: N8 T4 z9 o- H* l, f" [ (while (< idx 361)
0 s* `) S. x) P% n6 {6 S (setq x (* idx aa))
# r3 \+ D0 Q4 |9 t2 q0 F (setq y (cos x))
* S# g T, o2 |( U1 e5 @0 ~ (setq p (list x y))
7 r* g$ J3 f) X! c/ { (command p)5 ^( |* C9 D$ j X) |
(setq idx (1+ idx)), ]# B; q `2 W5 j& C
)
- p# A- n5 H& n. w& z (command "")! u& N4 Y1 F5 E" h, [
(princ). r, {% M8 r; m c
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