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dulituan08

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Dy=y*(1+1./y)
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robert2020

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adu886886(½ð±Ò+1):ллÌṩÒâ¼û 2010-05-10 08:36:46
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Originally posted by dulituan08 at 2010-05-09 18:18:57:
½â²»³öÀ´£º>> syms x
dsolve('Dy=y*(1+1./y)','x')
??? Error using ==> sym.sym>expression2ref at 2408
Error: 'expression' expected [line 1, col 20]

Error in ==> sym.sym>char2re ...

²»ÒªÓÃsyms x
Ö±½Ódsolve('Dy=y*(1+1./y)','x')¾Í¿ÉÒÔ½â¾öÁË~~
Truthfulness,Compassion,Tolerance,Beauty
9Â¥2010-05-09 22:13:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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robert2020

Òø³æ (ÖøÃûдÊÖ)

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adu886886(½ð±Ò+1):¹ÄÀø½»Á÷ 2010-05-10 08:36:22
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dsolve('Dy=y*(1+1./y)','x')
Truthfulness,Compassion,Tolerance,Beauty
3Â¥2010-05-09 18:10:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dulituan08

гæ (СÓÐÃûÆø)

½â²»³öÀ´£º>> syms x
dsolve('Dy=y*(1+1./y)','x')
??? Error using ==> sym.sym>expression2ref at 2408
Error: 'expression' expected [line 1, col 20]

Error in ==> sym.sym>char2ref at 2378
    s = expression2ref(x);

Error in ==> sym.sym>tomupad at 2147
        S = char2ref(x);

Error in ==> sym.sym>sym.sym at 102
                S.s = tomupad(x,'');

Error in ==> dsolve>mupadDsolve at 189
sys = sym(sys_str);

Error in ==> dsolve at 97
[R,vars] = mupadDsolve(ignoreConstraints,varargin{1:narg});
5Â¥2010-05-09 18:18:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hopingzou

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adu886886(½ð±Ò+1):ллÌṩÒâ¼û 2010-05-10 08:36:39
7Â¥2010-05-09 20:55:12
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