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[ÇóÖú] ¡¾ÇóÖú¡¿MathmaticaÇóÁ½ÌõÇúÏߵĹ«ÇÐÏß ÒÑÓÐ1È˲ÎÓë

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f[x_] := -21.59424 + (9.0/16.0)*0.65709*59.07655*((3.50677 - 4)*(59.07655/x)^(2.0/3.0) -
3.50677 + 6)*(((59.07655/x)^(2.0/3.0) - 1)^2)
g[x_] := -21.5227 + (9.0/16.0)*0.66979*57.91413*((3.96755 - 4)*(57.91413/x)^(2.0/3.0) -
3.96755 + 6)*(((57.91413/x)^(2.0/3.0) - 1)^2)
eqn = {m == f[n], p == g[q], f'[n] == g'[q], g'[q] == (m - p)/(n - q)};
sol = Solve[eqn, {m, n, p, q}]

[ Last edited by ²¼¹Èàâàâ on 2014-3-7 at 10:12 ]
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x1= 9.338577469520644
x2= 20.65932886310537
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ÒýÓûØÌû:
4Â¥: Originally posted by cooooldog at 2014-03-07 21:49:54
È»ºóËã³öµÄ²Î¿¼´ð°¸Ó¦¸ÃÊÇ:

x1= 9.338577469520644
x2= 20.65932886310537
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