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Çë¸ßÊÖ°ïæ¸ù¾ÝÏÂÃæ(1)¡¢(2)Á½×éÊý¾Ý,ÔËÓÃmatlab±à³ÌÇó½âÁ½¸ökÖµ.ÎÒ¶ÔmatlabÍêÈ«²»¶®£¬Âé·³¸ßÊÖ¸ø³ö²ÎÊýkµÄ¾ßÌåÊýÖµ¡£·Ç³£¸Ðл!!! ·½³Ì£ºy=y0+(ylimt-y0)/(2*c0)*(x+1/k+c0-((x+c0+1/k)^2-4*c0*x)^0.5) ÆäÖÐ (1) y0=1.77235; ylimt=0.93066; c0=0.00002 xdata=[0.00005 0.00015 0.0002 0.00025 0.0003 0.00035 0.00045 0.00055 0.0006 0.00075 0.00085 0.00095 0.001 0.00115 0.00125 0.00145] ydata=[1.72427 1.58145 1.37302 1.23911 1.18416 1.13857 1.10483 1.04227 1.02577 0.98729 0.97012 0.96478 0.96057 0.9512 0.94087 0.93066] (2) y0=1.17094; ylimt=0.30983; c0=0.000015 xdata=[0.00005 0.00015 0.0002 0.00025 0.0003 0.00035 0.00045 0.00055 0.0006 0.00075 0.00085 0.00095 0.001 0.00115 0.00125 0.00145 0.00155] ydata=[1.1414 1.08394 1.02934 1.00169 0.98691 0.92352 0.91823 0.90804 0.83408 0.80894 0.75992 0.71518 0.64931 0.64825 0.56648 0.34087 0.30983] |
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ÏÈ»»Ôª£¬ÁîX=(x+1/k+c0-((x+c0+1/k)^2-4*c0*x)^0.5)ÓÐX=(2*c0*(y0data-ydata))./(ylimtdata-ydata) k=1./(((2*c0*xdata)+X.*X)/(2*X)-xdata-c0*ones(1,16)) ÏÂÃæÊÇ´úÂ룺 µÚÒ»×éÊý¾Ý£º y0=1.77235; ylimt=0.93066; c0=0.00002 ; xdata=[0.00005 0.00015 0.0002 0.00025 0.0003 0.00035 0.00045 0.00055 0.0006 0.00075 0.00085 0.00095 0.001 0.00115 0.00125] ydata=[1.72427 1.58145 1.37302 1.23911 1.18416 1.13857 1.10483 1.04227 1.02577 0.98729 0.97012 0.96478 0.96057 0.9512 0.94087] y0data=ones(1,15)*y0; ylimtdata=ones(1,15)*ylimt; X=(2*c0*(y0data-ydata))./(ylimtdata-ydata) X.*X k=1./(((2*c0*xdata)+X.*X)/(2*X)-xdata-c0*ones(1,15)) µÚ¶þ×éÊý¾Ý y0=1.17094; ylimt=0.30983; c0=0.000015; xdata=[0.00005 0.00015 0.0002 0.00025 0.0003 0.00035 0.00045 0.00055 0.0006 0.00075 0.00085 0.00095 0.001 0.00115 0.00125 0.00145] ydata=[1.1414 1.08394 1.02934 1.00169 0.98691 0.92352 0.91823 0.90804 0.83408 0.80894 0.75992 0.71518 0.64931 0.64825 0.56648 0.34087] y0data=ones(1,16)*y0; ylimtdata=ones(1,16)*ylimt; X=(2*c0*(y0data-ydata))./(ylimtdata-ydata) k=1./(((2*c0*xdata)+X.*X)/(2*X)-xdata-c0*ones(1,16)) ×Ô¼ºÔÚMATLABÉÏÔËÐÐÒ»Ï塃 |
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