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fspdlh

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[½»Á÷] ¡¾ÇóÖú¡¿¹ØÓÚÄÚÁªº¯Êýµã³Ëµã³ýÎÊÌâ

Ö÷ÒªÊǽâ¾öÒÔÏÂÎÊÌ⣬ÊäÈëfun1£¬µÃµ½fun2µÄ½á¹û¡£²»ÖªÊDz»ÊÇÓÐʲôº¯Êý¿ÉÒÔ°ÑÒ»¸öº¯ÊýÀïµÄ * / ^ ±äΪ .* ./ .^

ÔÚhttp://muchong.com/bbs/viewthread.php?tid=1316489&fpage=1Öбà³ÌÓöµ½ÁËÕâ¸öÎÊÌ⣬²»µÃ²»ÓÃÑ­»·À´Çó½â¡£

>> fun1='sin(x)*cos(x)'

fun1 =

sin(x)*cos(x)

>> fun1=inline(fun1)

fun1 =

     Inline function:
     fun1(x) = sin(x)*cos(x)

>> x=1:1:5

x =

     1     2     3     4     5

>> fun1(x)
??? Error using ==> inlineeval
Error in inline expression ==> sin(x)*cos(x)
??? Error using ==> mtimes
Inner matrix dimensions must agree.

Error in ==> inline.subsref at 25
    INLINE_OUT_ = inlineeval(INLINE_INPUTS_, INLINE_OBJ_.inputExpr, INLINE_OBJ_.expr);

>> fun2='sin(x).*cos(x)'

fun2 =

sin(x).*cos(x)

>> fun2=inline(fun2)

fun2 =

     Inline function:
     fun2(x) = sin(x).*cos(x)

>> x=1:1:5

x =

     1     2     3     4     5

>> fun2(x)

ans =

    0.4546   -0.3784   -0.1397    0.4947   -0.2720

[ Last edited by fspdlh on 2009-5-7 at 08:57 ]
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hyk2006

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¡ï ¡ï ¡ï ¡ï ¡ï
kuhailangyu(½ð±Ò+2,VIP+0):лл²ÎÓ룡 5-7 14:58
fspdlh(½ð±Ò+3,VIP+0):лл£¡ 5-8 13:38
fun2=inline('sin(x).*cos(x)');
x=1:1:5;
fun2(x)
²»ÖªµÀÊDz»ÊÇÄãÏëÒªµÄ½á¹û
2Â¥2009-05-07 13:59:23
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fspdlh

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лл»Ø¸´£¬ÎÒÖ÷Òª»¹ÊÇÏë½â¾öÈçÏÂÎÊÌâ
ÒýÓûØÌû:
Originally posted by fspdlh at 2009-5-7 08:50:
²»ÖªÊDz»ÊÇÓÐʲôº¯Êý¿ÉÒÔ°ÑÒ»¸öº¯ÊýÀïµÄ * / ^ ±äΪ .* ./ .^

3Â¥2009-05-07 14:03:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hyk2006

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sunxiao(½ð±Ò+2,VIP+0):лл²ÎÓ룬»¶Ó­³£À´·ÂÕæ±à³Ì°æ 5-8 03:16
fspdlh(½ð±Ò+7,VIP+0):лл£¡¿´À´ÊÇûÓÐ 5-8 13:39
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fspdlh

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