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clc; clear; P2=547.9; T2=10924; V2=1.1867; P1=20; T1=[450:600]; P=P1./P2; T=T1./T2; 1+(log(1-y))./y=y.*(2.409./((y.*V).^2)-3.033./((y.*V).^4))./(6.*T)+(0.8909.*y-((y.*V).^(1/3))./3)./(((y.*V).^(1/3))-0.8909.*y); P.*V./T=((y.*V).^(1/3))./(((y.*V).^(1/3))-0.8909.*y)+2.*y.*(1.011./((y.*V).^4)-1.2045./((y.*V).^2))./T; V1=V.*V2; plot(T1,V1,'*') ¸ÕѧÓÃMATLAB£¬Ï뽫ÉϱßÁ½·½³ÌÈý²ÎÊýµÄ×ö³ö¶þάÇúÏßͼ£¬µ«ÊÇ×Ü×ö²»³öÀ´£¬Çë½Ì¸ßÊÖÆäÖÐʽ×ÓµÄÊäÈëÓÐÄÇЩÎÊÌ⣿¸ÐлÍò·Ö£¡ ¸ÕÀ´Ð¡Ä¾³æ£¬±§Ç¸Ã»Óнð±Ò¸ø½â´ðÕߣ¬¿ÉÒԵϰ½»¸öÅóÓÑ£¬ÒÔºóÏ໥֧³Ö°ïÖú£¡ [search]matlab[/search] [ Last edited by sunxiao on 2009-3-9 at 09:04 ] |
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1+(log(1-y))./y=y.*(2.409./((y.*V).^2)-3.033./((y.*V).^4))./(6.*T)+(0.8909.*y-((y.*V).^(1/3))./3)./(((y.*V).^(1/3))-0.8909.*y); P.*V./T=((y.*V).^(1/3))./(((y.*V).^(1/3))-0.8909.*y)+2.*y.*(1.011./((y.*V).^4)-1.2045./((y.*V).^2))./T; ÉÏÊöÁ½¸öµÈʽ×ó±ßÓ¦¸ÃÊÇÓÐЧ±äÁ¿£¬²»ÄÜÊDZí´ïʽ¡£ ¿ÉÒÔ°Ñ·½³ÌÖØÐ¹滮һÏ£¬Áîv£½... £» |
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