如何用matlab解方程 1/x^0.5=-2lg(50+2.51/x^0.5)
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![如何用matlab解方程 1/x^0.5=-2lg(50+2.51/x^0.5)](/uploads/image/z/178404-60-4.jpg?t=%E5%A6%82%E4%BD%95%E7%94%A8matlab%E8%A7%A3%E6%96%B9%E7%A8%8B+1%2Fx%5E0.5%3D-2lg%2850%2B2.51%2Fx%5E0.5%29)
如何用matlab解方程 1/x^0.5=-2lg(50+2.51/x^0.5)
如何用matlab解方程 1/x^0.5=-2lg(50+2.51/x^0.5)
如何用matlab解方程 1/x^0.5=-2lg(50+2.51/x^0.5)
将x^0.5看成一个整体,
>> x0 = solve('1/x + 2*log(50+2.51/x)','x')
x0 =
-0.1436004093030793403230267002742
也就是 x^0.5 = x0 < 0,无实数根
这方程很明显没有实根