华电机械 发表于 2013-4-23 15:22

求解非线性方程trr1=0的解

trr1 =

-(cosh((4*((2*((361621451347209955078125*pi*omiga^2)/4722366482869645213696 + 100000000)^(1/2))/125 + 160)^(1/2))/(5*pi^(1/2)))^2*(((361621451347209955078125*pi*omiga^2)/4722366482869645213696 + 100000000)^(1/2) - 10000))/(2*((361621451347209955078125*pi*omiga^2)/4722366482869645213696 + 100000000)^(1/2))

求高手指点。。。。


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