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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)
* ^ v" |/ s, V/ x# A+ ^$ A (setq p0 (list 0 1)
# c6 `! R1 @9 ]% d0 K: }& [) P aa (/ pi 180); R: d+ Y7 W3 q% _/ |3 u
)
7 \" U) |0 l0 W (setq idx 1)
" x2 @. P9 A, ]7 i' a* ?/ \6 |% v3 ]0 O& L) G) a
(SetVar "OsMode" 0)% \* j! j: ^9 p
(command "Pline" p0 "Arc" "D" 0)! W/ v$ A- i6 x+ e' s O+ V0 d
(while (< idx 361)
# w7 m, Z% m4 H, Z9 V% b) p (setq x (* idx aa))
/ b0 i, ?( U, y$ m (setq y (cos x))
7 w+ k$ ?3 k9 z (setq p (list x y))
8 _: X6 w w# L0 l9 c (command p)
1 g0 d8 f: k2 { (setq idx (1+ idx))
' }2 L# ^) K% L )* S$ G6 q) |3 L. U* l; ~& Z4 |
(command "")
; s9 m& p6 E9 \4 A r (princ)
6 `. T+ P& a, q4 j) |
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