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chaofan1231

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] ¼±¼±¼±£¡·ûºÅº¯Êý½â´úÊý·½³ÌÓöµ½µÄÎÊÌâ

¸÷λ¸ßÊÖ°ïæ¿´ÏÂÕâÊÇÔõôһ»ØÊÂѽ£¡
rg=2;
>> T2=subs(fsolve('rg-exp((1/0.0000005461-1/0.000000700)*0.014388/x+log((x-993.74731)/2869.03078)-5*log(700/546.1))',1000))
??? Error using ==> inlineeval at 15
Error in inline expression ==> rg-exp((1/0.0000005461-1/0.000000700)*0.014388/x+log((x-993.74731)/2869.03078)-5*log(700/546.1))
Undefined function or variable 'rg'.
Error in ==> inline.feval at 36
        INLINE_OUT_ = inlineeval(INLINE_INPUTS_, INLINE_OBJ_.inputExpr, INLINE_OBJ_.expr);
×¢£ºÖ±½Ó½«rg=2´úÈë·½³Ìʽ¿ÉÒÔ½âµÄ£¬µ«ÊÇÎÒÐèÒªµÄÊÇÔÚÑ­»·Öв»¶Ï¸ørg¸³Öµ£¬È»ºóÔÙ´úÈ빫ʽ¼ÆËãT2£¬²»ÖªµÀ¸ÃÈçºÎ×öµ½¡£ÓÐÆäËüÄܽâÉϱߴúÊý·½³ÌµÄº¯ÊýÒ²¿ÉÒÔÓá£Ð»Ð»°¡£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijie169

Í­³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¿ÉÒÔÕâÑù
CODE:
function f=do(rg)
      n=length(rg);
      x0=1000;
      f=zeros(n,1);
      for i=1:n
         f(i)=fsolve(@(x) fun(x,rg(i)),x0);
      end

function f=func(x,rg)
      f=rg-exp((1/0.0000005461-1/0.000000700)*0.014388/x+log((x-993.74731)/2869.03078)-5*log(700/546.1));
end

ʹÓ÷½·¨£¬½«ÄãҪʹÓÃrgµÄÖµ×÷Ϊһ¸öÏòÁ¿´øÈë ,ÔËÐÐdo(rg),¾Íok
2Â¥2012-05-17 12:01:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijie169

Í­³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
2Â¥: Originally posted by lijie169 at 2012-05-17 12:01:53:
¿ÉÒÔÕâÑù

function f=do(rg)
      n=length(rg);
      x0=1000;
      f=zeros(n,1);
      for i=1:n
         f(i)=fsolve(@(x) fun(x,rg(i)),x0);
      end

function f=func(x,rg)
      f=rg ...

CODE:
function f=do(rg)
      n=length(rg);
      x0=1000;
      f=zeros(n,1);
      for i=1:n
         f(i)=fsolve(@(x) func(x,rg(i)),x0);
      end

function f=func(x,rg)
      f=rg-exp((1/0.0000005461-1/0.000000700)*0.014388/x+log((x-993.74731)/2869.03078)-5*log(700/546.1));
end

ÓеãС´íÎó....funÓ¦¸ÃÊÇfunc
3Â¥2012-05-17 12:03:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijie169

Í­³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
chaofan1231: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, лл 2012-05-17 13:43:29
xzhdty: ½ð±Ò+2, лл²ÎÓë 2012-05-19 16:43:29
¿ÉÒÔ°Éfor ¸øÈ¥µô£¬Ö»ÁôÒ»¾ä  f=fsolve(@(x) func(x,rg),1000);ºóÃæµÄfunctionÔÙ½ÓÉϾͿÉÒÔÁË...²»ÐèÒªÄÇôÂé·³
CODE:
function f=do(rg)

         x0=1000;
         f(i)=fsolve(@(x) func(x,rg),x0);

function f=func(x,rg)
      f=rg-exp((1/0.0000005461-1/0.000000700)*0.014388/x+log((x-993.74731)/2869.03078)-5*log(700/546.1));
end

¼ò½à¾ÍÊÇÃÀ

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

4Â¥2012-05-17 12:08:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chaofan1231

Òø³æ (СÓÐÃûÆø)

ËÍÏÊ»¨Ò»¶ä
ÒýÓûØÌû:
4Â¥: Originally posted by lijie169 at 2012-05-17 12:08:00:
¿ÉÒÔ°Éfor ¸øÈ¥µô£¬Ö»ÁôÒ»¾ä  f=fsolve(@(x) func(x,rg),1000);ºóÃæµÄfunctionÔÙ½ÓÉϾͿÉÒÔÁË...²»ÐèÒªÄÇôÂé·³

function f=do(rg)

         x0=1000;
         f(i)=fsolve(@(x) func(x,rg),x0);

fun ...

ÔÙÎÊһϣ¬ÕâÊÇÎÒÑ­»·ÖеÄÒ»²¿·Ö£¬ÓÃÕâ¸öº¯ÊýÇó½âʱÿ´ÎÑ­»·¶¼Òªµü´ú£¬ÔËËãÁ¿´ó£¬ºÜ Âý£¬ÓÐʲô¸üºÃµÄ°ì·¨Âð£¿
5Â¥2012-05-17 13:45:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijie169

Í­³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by chaofan1231 at 2012-05-17 13:45:02:
ÔÙÎÊһϣ¬ÕâÊÇÎÒÑ­»·ÖеÄÒ»²¿·Ö£¬ÓÃÕâ¸öº¯ÊýÇó½âʱÿ´ÎÑ­»·¶¼Òªµü´ú£¬ÔËËãÁ¿´ó£¬ºÜ Âý£¬ÓÐʲô¸üºÃµÄ°ì·¨Âð£¿

Äã¿ÉÒÔ²ÉÓÃÎÒ×îÏÂÃæµÄ´úÂ룬֧³ÖÏòÁ¿ÔËËã¡£Ò»´ÎÐÔËãÍ꣬²ÉÓþØÕóµÄÔËËã·½·¨£¬Ìý˵matlabÔÚ¾ØÕóÔËËãÀï±ÈforÑ­»·¿ìN±¶...Äã¿ÉÒÔÊÔÊÔ¡£
6Â¥2012-05-17 16:26:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chaofan1231

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by lijie169 at 2012-05-17 16:26:17:
Äã¿ÉÒÔ²ÉÓÃÎÒ×îÏÂÃæµÄ´úÂ룬֧³ÖÏòÁ¿ÔËËã¡£Ò»´ÎÐÔËãÍ꣬²ÉÓþØÕóµÄÔËËã·½·¨£¬Ìý˵matlabÔÚ¾ØÕóÔËËãÀï±ÈforÑ­»·¿ìN±¶...Äã¿ÉÒÔÊÔÊÔ¡£

²»ÄÜËã°¡£¡Tsolveº¯ÊýÊÇÎÒ´´½¨µÄMÎļþ¡£¸úÄã˵µÄFuncÊÇÒ»ÑùµÄ¡£Ö»ÄÜËã³öÀ´Ò»¸öÖµ¡£
rg =

    2.2000    2.0000    1.0000    1.2000    1.1000    1.5000    0.8000
    1.3000    1.5000    2.5000    2.6000    0.9000    1.1000    2.2000
    1.1000    1.3000    2.2000    0.9000    2.2000    2.2000    2.2000

>> t=fsolve(@(x)Tsolve(x,rg),1000)
Warning: Trust-region-dogleg algorithm of FSOLVE cannot handle non-square systems; using Levenberg-Marquardt algorithm instead.
> In fsolve at 324

No solution found.

fsolve stopped because the last step was ineffective. However, the vector of function
values is not near zero, as measured by the default value of the function tolerance.


t =

  1.0628e+003
7Â¥2012-05-18 08:44:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chaofan1231

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by lijie169 at 2012-05-17 16:26:17:
Äã¿ÉÒÔ²ÉÓÃÎÒ×îÏÂÃæµÄ´úÂ룬֧³ÖÏòÁ¿ÔËËã¡£Ò»´ÎÐÔËãÍ꣬²ÉÓþØÕóµÄÔËËã·½·¨£¬Ìý˵matlabÔÚ¾ØÕóÔËËãÀï±ÈforÑ­»·¿ìN±¶...Äã¿ÉÒÔÊÔÊÔ¡£

ÎÒÏëÓþØÕóÔËËãµÄ£¬µ«ÊÇÎҵķ½³ÌÌ«¸´ÔÓÁË£¬º¬ÓÐÖ¸Êý£¬²»ÖªµÀÔõô»¯³É¾ØÕóÔËËãµÄÐÎʽ¡£
8Â¥2012-05-18 08:47:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijie169

Í­³æ (ÖøÃûдÊÖ)

Ã²ËÆÊÇÓÃ3Â¥µÄ´úÂë¿ÉÒÔ£¬ÎÒÀí½â´íÁË£¬²»ÄÜʹÓÃÖ±½ÓÏòÁ¿Çó½â¡£Ê¹ÓùæÔòÊÇrgÊÇÏòÁ¿£¬²»ÊǾØÕó£¬ÈôÒªÊǾØÕó£¬ÔòÐèÒªÐÞ¸ÄÖ÷º¯Êý´úÂë
CODE:
function f=do(rg)
      [m,n]=size(rg);
      x0=1000;
      f=zeros(m,n);
      for i=1:m
      for j=1:n
         f(i,j)=fsolve(@(x) func(x,rg(i,j)),x0);
      end
     end
function f=func(x,rg)
      f=rg-exp((1/0.0000005461-1/0.000000700)*0.014388/x+log((x-993.74731)/2869.03078)-5*log(700/546.1));
end
end

9Â¥2012-05-18 12:00:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijie169

Í­³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
9Â¥: Originally posted by lijie169 at 2012-05-18 12:00:13:
Ã²ËÆÊÇÓÃ3Â¥µÄ´úÂë¿ÉÒÔ£¬ÎÒÀí½â´íÁË£¬²»ÄÜʹÓÃÖ±½ÓÏòÁ¿Çó½â¡£Ê¹ÓùæÔòÊÇrgÊÇÏòÁ¿£¬²»ÊǾØÕó£¬ÈôÒªÊǾØÕó£¬ÔòÐèÒªÐÞ¸ÄÖ÷º¯Êý´úÂë

function f=do(rg)
      =size(rg);
      x0=1000;
      f=zeros(m,n);
...

×îºóµÄ´úÂërg¿ÉÒÔÊǾØÕóÒ²¿ÉÒÔÊÇÏòÁ¿£¬3Â¥µÄrg²»ÄÜÊǾØÕó
10Â¥2012-05-18 12:01:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ chaofan1231 µÄÖ÷Ìâ¸üÐÂ
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