Matlab s=solve('x(e^(1/(y*26))-1)=1','x(e^(1.5/(y*26))-1)=80');s.x,s.yError using ==> mupadmexError in MuPAD command:cannot differentiate equation [numeric::fsolve]Error in ==> sym.sym>sym.mupadmexnout at 2018out = mupadmex(fcn,args{:});Error in ==>

matlab 中solve循环比如：i=1:10 s=solve('x^3+x^2+x=1=i','x')要正根 matlab运行syms x；s=solve(x^3+cos(x)) 为什么结果总是[ empty sym ]啊, matlab solve函数解方程错在哪里输入：syms xf=sym('-x^3+x^2-1=0')v=solve(f)w=double(v)结果：Attempt to execute SCRIPT solve as a function.Error in ==> sym.solve at 49[varargout{1:max(1,nargout)}] = solve(S{:});Error in ==> solve at 3v=so Matlab s=solve('x(e^(1/(y*26))-1)=1','x(e^(1.5/(y*26))-1)=80');s.x,s.yError using ==> mupadmexError in MuPAD command:cannot differentiate equation [numeric::fsolve]Error in ==> sym.sym>sym.mupadmexnout at 2018out = mupadmex(fcn,args{:});Error in ==> matlab solve函数 xmaxr=solve(dydx,x)其中dydx是一个x和r的多项式 如何用matlab解下面的方程组y=2.8761*(x^(-5.988)-1)^(0.334)x=0.91937-0.65156*e^(-715.49*y)用solve[x,y]=solve('y=2.8761*(x^(-5.988)-1)^0.334','x=0.91937-0.65156*e^(-715.49*y)')最后解的x =[ empty sym ]y =[]如何用matlab求出真正的解 用MATLAB如何解指数方程matlab中用solve解 下面的方程解不了,solve('x^0.65-0.1875*x^-0.35+1.991-1.991*x=0.8125','x') matlab求不等式f=@(n)(e/n^2);n=solve('f(n) matlab solve函数变量问题clcP=[0.9110 0.6777 0.7706 ];D=[2.656E+09 7.968E+10 2.656E+10];[x,y]=solve('y*log((x+D(3))/(x+D(1)))/log(10)=(P(1)-P(3))','y*log((x+D(3))/(x+D(2)))/log(10)=(P(2)-P(3))','x','y');%xx=solve('y*log((x+2.656E+10)/(x+2.656E+0 怎么在matlab中求解 x+0.8*sinx-pi=0 这个方程的解?用s=solve（）无法求解 matlab 命令solve 出错sym xsolve('-x+sinh(0.3466*log2((1+x)/(1-x)))=0',x) Error using ==> solveUnable to find closed form solution.Error in ==> sym.solve at 49[varargout{1:max(1,nargout)}] = solve(S{:}); matlab中solve的用法我的函数如下function s=sss(p)syms x y;equation1=sym('c*x^2+c*x*y+(c*g-c*a-c*b+1)*x-a-e=0');equation2=sym('d*y^2+d*x*y+(d*g-d*a-d*b+1)*y-b-f=0');[x0,y0]=solve(equation1,equation2,'x','y');a=p(1);b=p(2);c=p(3);d=p(4);e=p(5) matlab中,定义了y='x+1',如果调用solve（‘eq1’,即要求solve（'x+1=0','x'）. 在用matlab解一个方程时出现如下错误,求指教 方程是这样的S=A0+A1*x^2+A2*x^4+A3*x^6+A4*x^8+A5*x^10 ；solve(S)但出现的结果如下Error using ==> solveUnable to find closed form solution.Error in ==> sym.solve at 49[varargout{1 matlab新手求解3：solve函数.我输入solve('x^3+5*x-8'),结果求得三个解:.我只想使用第一个解,如何将其从solve（）中提取出来.输入[a b c ]=solve('x^3+5*x-8')时matlab报错,查了资料才知道solve函数的返回值 matlab 解方程在解方程的时候用到了syms,然后在求解的时候显示错误了,P.S.例如以下程序syms x;y=x+1;solve('y=0','x') matlab 中 运行：[x]=solve('90-atan(0.1*x)-atan(0.2*x)=51) 为什么不行啊? 用matlab解指数方程solve('6600*(exp^((-0.1155)*x)-exp^((-0.1386)*x))=200','x')要怎么算.