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21Â¥2014-07-20 09:20:59
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shianshun1: ½ð±Ò+10, ¡ïÓаïÖú 2014-07-26 22:44:10
ÄãÓ¦¸ÃÓòâµÃµÄÊý¾Ý£¬ÄâºÏ³öz(t)µÄ±í´ïʽ£¬È»ºóÇó½â£¬
ÎÒÉèz£¨t£©=t, ʱ¼ät=1 2 3 4 ...10
---------------------------------------------------------------------------------------------
syms a w y t
S=dsolve ('D2y+2*a*w*Dy+w^2*y=t','y(0)=0','Dy(0)=1.0e-5');
t=[1:1:10];
a=0.224;
w=52.9;
sigma=subs(S)      
---------------------------------------------------------------------------------------------
ÕâÊÇÎÒµÄÔËËã½á¹û
sigma =

  Columns 1 through 4

   0.0004 - 0.0000i   0.0007 - 0.0000i   0.0011 - 0.0000i   0.0014 - 0.0000i

  Columns 5 through 8

   0.0018 - 0.0000i   0.0021 - 0.0000i   0.0025 + 0.0000i   0.0029 - 0.0000i

  Columns 9 through 10

   0.0032 - 0.0000i   0.0036 - 0.0000i
22Â¥2014-07-20 19:41:02
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