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ÒªÇó½â·½³ÌΪ dy/dt+{1+16*[1-exp(-t)-y]}*y=1£¬ÒªÇó»­³öyËætµÄ±ä»¯ÇúÏß¡£ÎªÊ²Ã´ÓÃdsolveµÃ²»³ö½âÄØ£¿Çó°ï棬·Ç³£¸Ðл£¡

y=dsolve('Dy+y+18*y-18*y^2-1=18*y*exp(-t)','t')
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Warning: Explicit solution could not be found.
> In dsolve at 194
  In Untitled at 4

y =

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xzhdty: ½ð±Ò+1, лл²ÎÓë 2013-11-27 22:12:28
ÒýÓûØÌû:
4Â¥: Originally posted by watertxf at 2013-11-27 19:07:38
tµÄȡֵ·¶Î§Îª1~5...

Èç¹ût=0ʱ£¬y=0µÄ»°£¬³ÌÐòºÍ½á¹ûÈçÏ£º
CODE:
function solve_ode
clear all;clc
y0=0;
tspan=1:0.01:5;
[ts ys]=ode15s(@odefun,tspan,y0);
figure(1),
plot(ts,ys,'-ob')


function dydt=odefun(t,y)
dydt=1-(1+16*(1-exp(-t)-y))*y;

matlabÇó½â΢·Ö·½³Ì
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watertxf: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-11-27 19:24:34
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2Â¥2013-11-27 18:34:09
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watertxf

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ÒýÓûØÌû:
2Â¥: Originally posted by ÔÂÖ»À¶ at 2013-11-27 18:34:09
ûÓнâÎö½â¡£¿ÉÒÔÇóÊýÖµ½â¡£

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watertxf

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ÒýÓûØÌû:
2Â¥: Originally posted by ÔÂÖ»À¶ at 2013-11-27 18:34:09
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