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syms D u
a=int(exp(-u^2),u,1/(2*sqrt(D*0.1)),inf);
b=int(exp(-u^2),u,1/(2*sqrt(D*0.3)),inf);
double(solve((a/b),D))
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matlab2008A £º 0.0101
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¸öÈËʹÓùýezplot»ÏÂa/b vs DµÄͼ, ·¢ÏÖD<0.07¼¸ºõÒÑΪÁã! ²Â²âÊÇ·ñ¸÷°æ±¾¼äÓйØsolveµÄÊÕÁ²×¼ÔòÓÐËù¸ü¶¯ÁË!?
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[ ±¾Ìû×îºóÓÉ ChaChing ÓÚ 2009-12-29 11:45 ±à¼ ] |
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