作业帮matlab 命令solve 出错
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matlab 命令solve 出错
sym x
solve('-x+sinh(0.3466*log2((1+x)/(1-x)))=0',x)
Error using ==> solve
Unable to find closed form solution.
Error in ==> sym.solve at 49
[varargout{1:max(1,nargout)}] = solve(S{:});
sym x
solve('-x+sinh(0.3466*log2((1+x)/(1-x)))=0',x)
Error using ==> solve
Unable to find closed form solution.
Error in ==> sym.solve at 49
[varargout{1:max(1,nargout)}] = solve(S{:});
我在matlabR2012a上运行如下：
sym x 改成 syms x
>> syms x
>> solve('-x+sinh(0.3466*log2((1+x)/(1-x)))=0')
ans =
0
>>
再问： syms x
solve('-x+sinh(0.3466*log2((1+x)/(1-x)))=0')
??? Error using ==> solve
Unable to find closed form solution.
再答： 你用的是matlab哪个版本？
sym x 改成 syms x
>> syms x
>> solve('-x+sinh(0.3466*log2((1+x)/(1-x)))=0')
ans =
0
>>
再问： syms x
solve('-x+sinh(0.3466*log2((1+x)/(1-x)))=0')
??? Error using ==> solve
Unable to find closed form solution.
再答： 你用的是matlab哪个版本？