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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)# @: b6 V/ K6 ^' G
(setq p0 (list 0 1)* `& v) t) J- M2 p& T
aa (/ pi 180)
2 J8 W+ I1 [5 I, ~" y! s5 A8 q )3 b$ @# h9 t" K7 u
(setq idx 1); P( j: N: f% D/ ]9 f* I
/ }2 y( H& c. c' q3 h
(SetVar "OsMode" 0)
4 C* r9 B5 _3 T# V% R; m8 t0 w (command "Pline" p0 "Arc" "D" 0)
" G' H% N) H6 B7 N9 a* [ (while (< idx 361)
0 k9 i9 s; J, U0 J, D0 H4 p/ u (setq x (* idx aa))" Y, Q: X- a$ T( ~* u* M- M
(setq y (cos x))( B% U, n0 j& y! d0 s2 E
(setq p (list x y)); l# [; _% P4 b2 Q3 B$ y+ M
(command p)* J4 n; F1 l. [1 @. e/ [; B
(setq idx (1+ idx))7 M( [4 V" r$ r! U; ]. I" K! r* \7 Z
)
I. D# g* x# L2 k; r (command "") a" z q! F8 a+ n, N0 o* |5 w# e- ~ P
(princ)0 c% l6 j/ u! s2 E) I% V* y
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