matlab中用solve函数求方程解,结果是个表达式,然后我带入参数的值,用subs求的结果怎么有很多个?syms f x T;A=solve('(f/log(0.2))*(0.9)^x=num2str(T)','x');f=960;T=0.001;subs(A)
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![matlab中用solve函数求方程解,结果是个表达式,然后我带入参数的值,用subs求的结果怎么有很多个?syms f x T;A=solve('(f/log(0.2))*(0.9)^x=num2str(T)','x');f=960;T=0.001;subs(A)](/uploads/image/z/14571085-13-5.jpg?t=matlab%E4%B8%AD%E7%94%A8solve%E5%87%BD%E6%95%B0%E6%B1%82%E6%96%B9%E7%A8%8B%E8%A7%A3%2C%E7%BB%93%E6%9E%9C%E6%98%AF%E4%B8%AA%E8%A1%A8%E8%BE%BE%E5%BC%8F%2C%E7%84%B6%E5%90%8E%E6%88%91%E5%B8%A6%E5%85%A5%E5%8F%82%E6%95%B0%E7%9A%84%E5%80%BC%2C%E7%94%A8subs%E6%B1%82%E7%9A%84%E7%BB%93%E6%9E%9C%E6%80%8E%E4%B9%88%E6%9C%89%E5%BE%88%E5%A4%9A%E4%B8%AA%3Fsyms+f+x+T%3BA%3Dsolve%28%27%28f%2Flog%280.2%29%29%2A%280.9%29%5Ex%3Dnum2str%28T%29%27%2C%27x%27%29%3Bf%3D960%3BT%3D0.001%3Bsubs%28A%29)
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