作业帮matlab 解函数.为什么解不出来?图像都画出来了.solve(D/(0.145*D+5.25)-0.1348)警告:List of equations is empty.> In solve at 153 ans =[ empty sym ]solve('D/(0.145*D+5.25)-0.1348')警告:1 equations in 0 variables.> In C:\Program Files\M
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![matlab 解函数.为什么解不出来?图像都画出来了.solve(D/(0.145*D+5.25)-0.1348)警告:List of equations is empty.> In solve at 153 ans =[ empty sym ]solve('D/(0.145*D+5.25)-0.1348')警告:1 equations in 0 variables.> In C:\Program Files\M](/uploads/image/z/3942134-62-4.jpg?t=matlab+%E8%A7%A3%E5%87%BD%E6%95%B0.%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A7%A3%E4%B8%8D%E5%87%BA%E6%9D%A5%3F%E5%9B%BE%E5%83%8F%E9%83%BD%E7%94%BB%E5%87%BA%E6%9D%A5%E4%BA%86.solve%28D%2F%280.145%2AD%2B5.25%29-0.1348%29%E8%AD%A6%E5%91%8A%3AList+of+equations+is+empty.%3E+In+solve+at+153+ans+%3D%5B+empty+sym+%5Dsolve%28%27D%2F%280.145%2AD%2B5.25%29-0.1348%27%29%E8%AD%A6%E5%91%8A%3A1+equations+in+0+variables.%3E+In+C%3A%5CProgram+Files%5CM)
matlab 解函数.为什么解不出来?图像都画出来了.solve(D/(0.145*D+5.25)-0.1348)警告:List of equations is empty.> In solve at 153 ans =[ empty sym ]solve('D/(0.145*D+5.25)-0.1348')警告:1 equations in 0 variables.> In C:\Program Files\M
matlab 解函数.为什么解不出来?图像都画出来了.
solve(D/(0.145*D+5.25)-0.1348)
警告:List of equations is empty.
> In solve at 153
ans =
[ empty sym ]
solve('D/(0.145*D+5.25)-0.1348')
警告:1 equations in 0 variables.
> In C:\Program Files\MATLAB\R2012a\toolbox\symbolic\symbolic\symengine.p>symengine at 54
In mupadengine.mupadengine>mupadengine.evalin at 97
In mupadengine.mupadengine>mupadengine.feval at 150
In solve at 160
警告:Explicit solution could not be found.
> In solve at 169
ans =
[ empty sym ]
matlab 解函数.为什么解不出来?图像都画出来了.solve(D/(0.145*D+5.25)-0.1348)警告:List of equations is empty.> In solve at 153 ans =[ empty sym ]solve('D/(0.145*D+5.25)-0.1348')警告:1 equations in 0 variables.> In C:\Program Files\M
哥们,我又来了,你的命令不对
>> solve('D/(0.145*D+5.25)-0.1348','D')
ans =
.72180846832181825970417786046056
搞定