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bin0415

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Table[(x)^(1/2), {x, -1, 1, 1}]
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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2012-07-21 22:59:10
bin0415: ½ð±Ò+1, ¡ïÓаïÖú 2012-07-22 09:55:19
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Table[Re[(x)^(1/2)], {x, -1, 1, 1}]
2Â¥2012-07-21 12:02:07
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xiaoqing8569

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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2012-07-21 22:59:19
da = Table[(x)^(1/2), {x, -10, 10, 1}]
For[i = 1, i <= Length[da], i++, If[Im[da[]] != 0, da[] = 0,]]
da
3Â¥2012-07-21 16:57:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaoqing8569

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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2012-07-21 22:59:28
ÒýÓûØÌû:
3Â¥: Originally posted by xiaoqing8569 at 2012-07-21 16:57:21
da = Table
For[i = 1, i <= Length, i++, If[Im[da != 0, da]
da

CODE:
da = Table[(x)^(1/2), {x, -10, 10, 1}] For[i = 1, i <= Length[da], i++, If[Im[da[[i]]] != 0, da[[i]] = 0,]] da

4Â¥2012-07-21 16:58:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bin0415

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by mshwangg at 2012-07-21 12:02:07
Õâ¸öÄÜÂú×ãÒªÇó°É£¿
Table

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5Â¥2012-07-22 09:54:49
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bin0415

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by xiaoqing8569 at 2012-07-21 16:58:39
da = Table For[i = 1, i <= Length, i++, If[Im[da != 0, da] da...

{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, Null, 2 Null, 3 Null, 4 Null,
5 Null, 6 Null, 7 Null, 8 Null, 9 Null, 10 Null}ÕâÊÇÔËÐнá¹û£¬²»Ì«¶®Õâ¸ö³ÌÐòµÄº¬Ò壬Çó½Ì¡£
6Â¥2012-07-22 09:58:26
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xiaoqing8569

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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2012-07-23 03:57:58
ÒýÓûØÌû:
6Â¥: Originally posted by bin0415 at 2012-07-22 09:58:26
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, Null, 2 Null, 3 Null, 4 Null,
5 Null, 6 Null, 7 Null, 8 Null, 9 Null, 10 Null}ÕâÊÇÔËÐнá¹û£¬²»Ì«¶®Õâ¸ö³ÌÐòµÄº¬Ò壬Çó½Ì¡£...

da = Table[(x)^(1/2), {x, -10, 10, 1}]
For[i = 1, i <= Length[da], i++, If[Im[da[]] != 0, da[] = 0,]]
da
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7Â¥2012-07-22 10:36:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaoqing8569

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

°ÂÁÖÆ¥ÑǹâѧԺԺ³¤

ÒýÓûØÌû:
7Â¥: Originally posted by xiaoqing8569 at 2012-07-22 10:36:24
da = Table
For[i = 1, i <= Length, i++, If[Im[da != 0, da]
da
ÄãÔÙÊÔÊÔ...

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8Â¥2012-07-22 10:38:14
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mshwangg

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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2012-07-23 03:55:43
ÒýÓûØÌû:
5Â¥: Originally posted by bin0415 at 2012-07-22 09:54:49
¶ÔÓÚÕâ¸öÀý×ÓÄãµÄ·½·¨ÄÜÂú×㣬ÊÇֻȡ¸´ÊýµÄʵ²¿£¬¶øÇ¡ºÃÕâÀïÐéÊýµÄʵ²¿Îª0£¬È»¶øÔÚÎÒµÄÕæÊµ³ÌÐòÖдæÔÚʵ²¿²»Îª0µÄ¸´Êý£¬ÕâÑùÕâ¸ö·½·¨¾Í²»ÊÊÓÃÁË¡£²»¹ý»¹ÊÇллÄã¹þ...

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Table[If[Im[(x)^(1/2)] != 0, 0, (x)^(1/2)], {x, -1, 1, 1}]
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