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dulituan08

新虫 (小有名气)

[交流] 【求助】用MATLAB 求微分方程 已有9人参与

Dy=y*(1+1./y)
哪位大侠知道上面这个微分方程怎么解?
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zsyf102900

新虫 (初入文坛)

>> dsolve('Dy=y+1')
ans =
C4*exp(t) - 1
这个应该不是问题了
19楼2013-01-06 10:24:08
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robert2020

银虫 (著名写手)

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小木虫(金币+0.5):给个红包,谢谢回帖交流
adu886886(金币+1):鼓励交流 2010-05-10 08:36:22
不知道是不是楼主想要的?

dsolve('Dy=y*(1+1./y)','x')
Truthfulness,Compassion,Tolerance,Beauty
3楼2010-05-09 18:10:27
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dulituan08

新虫 (小有名气)

解不出来:>> 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});
5楼2010-05-09 18:18:57
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hopingzou

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adu886886(金币+1):谢谢提供意见 2010-05-10 08:36:39
7楼2010-05-09 20:55:12
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