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cooooldog

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

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ÒýÓûØÌû:
19Â¥: Originally posted by mshwangg at 2014-09-17 20:34:54
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21Â¥2014-09-17 22:19:49
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easezh

ľ³æ (ÖøÃûдÊÖ)

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22Â¥2014-09-18 01:10:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mshwangg

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
21Â¥: Originally posted by cooooldog at 2014-09-17 22:19:49
Õâ¸öÅäÖÃ,Ö»ÓÐÕâ¸öÐÔÄÜ...

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23Â¥2014-09-18 09:10:09
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ÁúæøÂ¥Ö÷

½ð³æ (³õÈëÎÄ̳)

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24Â¥2014-09-30 18:25:26
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´÷¸Ö¿øµÄÖíÍ·

ľ³æ (ÖªÃû×÷¼Ò)

ÒýÓûØÌû:
2Â¥: Originally posted by mshwangg at 2014-09-15 23:08:18
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25Â¥2014-09-30 23:39:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fzhqhd

гæ (СÓÐÃûÆø)

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÉÏ´«Í¼Æ¬:
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26Â¥2014-10-01 17:49:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chyanog

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
25Â¥: Originally posted by ´÷¸Ö¿øµÄÖíÍ· at 2014-09-30 23:39:23
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...

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27Â¥2014-10-06 22:58:37
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chyanog

½ð³æ (СÓÐÃûÆø)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
jjdg: ³ÌÐòÇ¿Ìû+1, Ç¿Ìû 2014-10-18 00:23:51
˵ʵ»°£¬´úÂëдµÃÓеãÔ㣬²»·ûºÏMathematica style£¬¶øÇÒËÙ¶ÈÌ«Âý¡£
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CODE:
Clear["`*"];
t0 = AbsoluteTime[];
ifs[prob_, A_, init_, maxIter_] :=
  FoldList[#2.{#[[1]], #[[2]], 1} &, init,
   RandomChoice[prob -> A, maxIter]];

init = {0., 0.};
prob = N@{85, 6, 8, 1};
A = N@{{{0.83, 0.03, 0}, {-0.03, 0.86, 1.5}}, {{0.2, -0.25, 0}, {0.21,
       0.23, 1.5}}, {{-0.15, 0.27, 0}, {0.25, 0.26, 0.45}}, {{0, 0,  0}, {0, 0.17, 0}}};
iter = 10^5;
pts = ifs[prob, A, init, iter];
Graphics[{PointSize[0.002], Green, Point[pts]}]
AbsoluteTime[] - t0

28Â¥2014-10-06 23:21:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Mr__Right

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
28Â¥: Originally posted by chyanog at 2014-10-06 23:21:13
˵ʵ»°£¬´úÂëдµÃÓеãÔ㣬²»·ûºÏMathematica style£¬¶øÇÒËÙ¶ÈÌ«Âý¡£
ͬÑùµÄËã·¨Ò»ÑùµÄЧ¹ûÆäʵֻÐè²»µ½°ëÃëÉõÖÁ²»µ½0.1s

Clear;
t0 = AbsoluteTime[];
ifs :=
  FoldList[#2.{#[], #;

init = {0., 0.};
...

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29Â¥2014-10-11 15:30:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chyanog

½ð³æ (СÓÐÃûÆø)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
29Â¥: Originally posted by Mr__Right at 2014-10-11 15:30:09
ÄãmathematicaÔõôѧµÄ? ÕâôÀ÷º¦...

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30Â¥2014-10-15 14:16:24
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