Matlab °æ (¾«»ªÇø)
·¢ÐÅÈË: zjliu (ÇïÌìµÄÂܲ·), ÐÅÇø: Matlab
±ê Ìâ: [ºÏ¼¯]½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (2003Äê08ÔÂ03ÈÕ09:46:33 ÐÇÆÚÌì), Õ¾ÄÚÐżþ
·¢ÐÅÈË: tuifeiyishen (tuifeiyishen), ÐÅÇø: Matlab
±ê Ìâ: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Tue Jul 22 19:03:33 2003)
ÄÇλͬÈÊÄÜ˵һÏÂÔõÑùÓÃmatlab»ý³ö²»¿É»ýº¯ÊýÀ´?
ÐèҪʲôµÄ³ÌÐò?
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¡ù À´Ô´:£®¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn [FROM: 218.9.121.13]
·¢ÐÅÈË: ljfcy (ëë), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (2003Äê07ÔÂ22ÈÕ20:55:14 ÐÇÆÚ¶þ), Õ¾ÄÚÐżþ
ode
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: ÄÇλͬÈÊÄÜ˵һÏÂÔõÑùÓÃmatlab»ý³ö²»¿É»ýº¯ÊýÀ´?
: ÐèҪʲôµÄ³ÌÐò?
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¡ù À´Ô´:¡¤¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn¡¤[FROM: 202.118.228.210]
·¢ÐÅÈË: tuifeiyishen (tuifeiyishen), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Wed Jul 23 11:36:53 2003)
¡¾ ÔÚ ljfcy µÄ´ó×÷ÖÐÌáµ½: ¡¿
: ode
: ¡¾ ÔÚ tuifeiyishen (tuifeiyishen) µÄ´ó×÷ÖÐÌáµ½: ¡¿
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·¢ÐÅÈË: motor (´ó»¢), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (2003Äê07ÔÂ23ÈÕ11:49:33 ÐÇÆÚÈý), Õ¾ÄÚÐżþ
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: ¡¾ ÔÚ ljfcy µÄ´ó×÷ÖÐÌáµ½: ¡¿
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·¢ÐÅÈË: tuifeiyishen (tuifeiyishen), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Wed Jul 23 12:19:09 2003)
¡¾ ÔÚ motor µÄ´ó×÷ÖÐÌáµ½: ¡¿
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f=1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));лл!
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¡ù À´Ô´:£®¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn [FROM: 218.9.123.27]
·¢ÐÅÈË: motor (´ó»¢), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (2003Äê07ÔÂ23ÈÕ12:27:17 ÐÇÆÚÈý), Õ¾ÄÚÐżþ
syms f u a x
f=1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));
int(f);
ans =
1/2/pi^(1/2)*2^(1/2)*erf(1/2*2^(1/2)/a*x-1/2*u/a*2^(1/2))
¡¾ ÔÚ tuifeiyishen (tuifeiyishen) µÄ´ó×÷ÖÐÌáµ½: ¡¿
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: ¡¾ ÔÚ motor µÄ´ó×÷ÖÐÌáµ½: ¡¿
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: : ¡¾ ÔÚ tuifeiyishen (tuifeiyishen) µÄ´ó×÷ÖÐÌáµ½: ¡¿
: f=1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));лл!
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·¢ÐÅÈË: tuifeiyishen (tuifeiyishen), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Wed Jul 23 14:47:24 2003)
¡¾ ÔÚ motor µÄ´ó×÷ÖÐÌáµ½: ¡¿
: syms f u a x
: f=1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));
: int(f);
: ans =
: 1/2/pi^(1/2)*2^(1/2)*erf(1/2*2^(1/2)/a*x-1/2*u/a*2^(1/2))
: ¡¾ ÔÚ tuifeiyishen (tuifeiyishen) µÄ´ó×÷ÖÐÌáµ½: ¡¿
: :
: : f=1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));лл!
·Ç³£¸Ðл£»
ͬʱÎÒ»¹Ïë˵һÏ£ºÈç¹û£¬ÉèF=int(f),È»ºóplot(x,F),Ϊʲô²»ÄÜ»³öͼÏóÄØ£¿
??? Error using ==> plot
Conversion to double from sym is not possible.
ÎÒ¸Õ¿ªÊ¼Ñ§£¬Ö»ºÃÕâÑùÁË£º£©
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¡ù À´Ô´:£®¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn [FROM: 218.9.120.49]
·¢ÐÅÈË: Mathsims (Óñ×Ó), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Thu Jul 24 15:29:39 2003)
ÊÔÊÔÕâ¸ö·½·¨Ðв»ÐУº
syms f u a x
f = 1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));
F = int(f);
(¸ø¶¨aºÍuµÄÖµ£¬±ÈÈ磺a=1;u=0.5;)
(¸ø³öxµÄÈ¡Öµ·¶Î§£¬±ÈÈ磺x=0:0.001:100;)
y=eval(F);
plot(x,y)
¡¾ ÔÚ tuifeiyishen µÄ´ó×÷ÖÐÌáµ½: ¡¿
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: ¡¾ ÔÚ motor µÄ´ó×÷ÖÐÌáµ½: ¡¿
: : syms f u a x
: : f=1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));
: : int(f);
: : ans =
: : 1/2/pi^(1/2)*2^(1/2)*erf(1/2*2^(1/2)/a*x-1/2*u/a*2^(1/2))
: ·Ç³£¸Ðл£»
: ͬʱÎÒ»¹Ïë˵һÏ£ºÈç¹û£¬ÉèF=int(f),È»ºóplot(x,F),Ϊʲô²»ÄÜ»³öͼÏóÄØ£¿
: ??? Error using ==> plot
: Conversion to double from sym is not possible.
: ÎÒ¸Õ¿ªÊ¼Ñ§£¬Ö»ºÃÕâÑùÁË£º£©
:
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·¢ÐÅÈË: tuifeiyishen (tuifeiyishen), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Thu Jul 24 17:23:43 2003)
¡¾ ÔÚ Mathsims µÄ´ó×÷ÖÐÌáµ½: ¡¿
: ÊÔÊÔÕâ¸ö·½·¨Ðв»ÐУº
: syms f u a x
: f = 1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));
: F = int(f);
: (¸ø¶¨aºÍuµÄÖµ£¬±ÈÈ磺a=1;u=0.5;)
: (¸ø³öxµÄÈ¡Öµ·¶Î§£¬±ÈÈ磺x=0:0.001:100;)
: y=eval(F);
: plot(x,y)
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: ¡¾ ÔÚ tuifeiyishen µÄ´ó×÷ÖÐÌáµ½: ¡¿
: :
: : ·Ç³£¸Ðл£»
: : ͬʱÎÒ»¹Ïë˵һÏ£ºÈç¹û£¬ÉèF=int(f),È»ºóplot(x,F),Ϊʲô²»ÄÜ»³öͼÏóÄØ£¿
: : ??? Error using ==> plot
: : Conversion to double from sym is not possible.
: : ÎÒ¸Õ¿ªÊ¼Ñ§£¬Ö»ºÃÕâÑùÁË£º£©
: : лÁË£¬¿É»¹ÊDz»ÐУ¬ÎÒÏëÓÃÇúÏßÄâºÏµÄ·½Ê½À´ÊÔһϣº£©ÔÚÎÊÒ»ÏÂsymsÊÇ×öʲôµÄ..
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¡ù À´Ô´:£®¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn [FROM: 218.9.121.187]
·¢ÐÅÈË: tuifeiyishen (tuifeiyishen), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Thu Jul 24 17:24:36 2003)
¡¾ ÔÚ Mathsims µÄ´ó×÷ÖÐÌáµ½: ¡¿
: ÊÔÊÔÕâ¸ö·½·¨Ðв»ÐУº
: syms f u a x
: f = 1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));
: F = int(f);
: (¸ø¶¨aºÍuµÄÖµ£¬±ÈÈ磺a=1;u=0.5;)
: (¸ø³öxµÄÈ¡Öµ·¶Î§£¬±ÈÈ磺x=0:0.001:100;)
: y=eval(F);
: plot(x,y)
:
: ¡¾ ÔÚ tuifeiyishen µÄ´ó×÷ÖÐÌáµ½: ¡¿
: :
: : ·Ç³£¸Ðл£»
: : ͬʱÎÒ»¹Ïë˵һÏ£ºÈç¹û£¬ÉèF=int(f),È»ºóplot(x,F),Ϊʲô²»ÄÜ»³öͼÏóÄØ£¿
: : ??? Error using ==> plot
: : Conversion to double from sym is not possible.
: : ÎÒ¸Õ¿ªÊ¼Ñ§£¬Ö»ºÃÕâÑùÁË£º£©
: : лÁË£¬¿É»¹ÊDz»ÐУ¬ÎÒÏëÓÃÇúÏßÄâºÏµÄ·½Ê½À´ÊÔһϣº£©ÔÚÎÊÒ»ÏÂsymsÊÇ×öʲôµÄ..
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¡ù À´Ô´:£®¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn [FROM: 218.9.121.187]
·¢ÐÅÈË: tuifeiyishen (tuifeiyishen), ÐÅÇø: Matlab
±ê Ìâ: Re: ½ô¼±ÇóÖú
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (Thu Jul 24 17:25:09 2003)
¡¾ ÔÚ Mathsims µÄ´ó×÷ÖÐÌáµ½: ¡¿
: ÊÔÊÔÕâ¸ö·½·¨Ðв»ÐУº
: syms f u a x
: f = 1/(a.*(2.*pi.^1/2)).*exp((-(x-u).^2)/(2.*a.^2));
: F = int(f);
: (¸ø¶¨aºÍuµÄÖµ£¬±ÈÈ磺a=1;u=0.5;)
: (¸ø³öxµÄÈ¡Öµ·¶Î§£¬±ÈÈ磺x=0:0.001:100;)
: y=eval(F);
: plot(x,y)
:
: ¡¾ ÔÚ tuifeiyishen µÄ´ó×÷ÖÐлÁË£¬¿É»¹ÊDz»ÐУ¬ÎÒÏëÓÃÇúÏßÄâºÏµÄ·½Ê½À´ÊÔһϣ..
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¡ù À´Ô´:£®¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn [FROM: 218.9.121.187]
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