matlab 数值解法 提示出is not a valid expression or equation.syms x y z m;[x,y,z,m]=solve('-1.18x+2.10y-0.13-0.15m+0.12=0','-2.3x+1.53y+0.77z+0.04m-0.04=0','-0.9x+1.12y+0.57z-0.136m+0.17=0','x^2+y^2+z^2-0.22m^2-4.60x-3.06z+0.33m+7.55=0');

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matlab 数值解法 提示出is not a valid expression or equation.syms x y z m;[x,y,z,m]=solve('-1.18x+2.10y-0.13-0.15m+0.12=0','-2.3x+1.53y+0.77z+0.04m-0.04=0','-0.9x+1.12y+0.57z-0.136m+0.17=0','x^2+y^2+z^2-0.22m^2-4.60x-3.06z+0.33m+7.55=0');
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matlab 数值解法 提示出is not a valid expression or equation.syms x y z m;[x,y,z,m]=solve('-1.18x+2.10y-0.13-0.15m+0.12=0','-2.3x+1.53y+0.77z+0.04m-0.04=0','-0.9x+1.12y+0.57z-0.136m+0.17=0','x^2+y^2+z^2-0.22m^2-4.60x-3.06z+0.33m+7.55=0');
matlab 数值解法 提示出is not a valid expression or equation.
syms x y z m;
[x,y,z,m]=solve('-1.18x+2.10y-0.13-0.15m+0.12=0','-2.3x+1.53y+0.77z+0.04m-0.04=0','-0.9x+1.12y+0.57z-0.136m+0.17=0','x^2+y^2+z^2-0.22m^2-4.60x-3.06z+0.33m+7.55=0');

matlab 数值解法 提示出is not a valid expression or equation.syms x y z m;[x,y,z,m]=solve('-1.18x+2.10y-0.13-0.15m+0.12=0','-2.3x+1.53y+0.77z+0.04m-0.04=0','-0.9x+1.12y+0.57z-0.136m+0.17=0','x^2+y^2+z^2-0.22m^2-4.60x-3.06z+0.33m+7.55=0');
[x,y,z,m] = solve('-1.18*x+2.10*y-0.13-0.15*m+0.12=0','-2.3*x+1.53*y+0.77*z+0.04*m-0.04=0','-0.9*x+1.12*y+0.57*z-0.136*m+0.17=0','x^2+y^2+z^2-0.22*m^2-4.60*x-3.06*z+0.33*m+7.55=0')
修改如上
matlab中乘号不能省略

matlab 数值解法老是提示出is not a valid expression or equation.solve('(exp(-[(-log(0.05))^(1/1.1)+(-log(x))^(1/1.1)]^1.1)* [(-log(0.05))^(1/1.1)+(-log(x))^(1/1.1)]^(0.1)*(1/1.1)*(-log(0.05))^((1/1.1)-1)=0.05') 错在哪 matlab 数值解法 提示出is not a valid expression or equation.syms x y z m;[x,y,z,m]=solve('-1.18x+2.10y-0.13-0.15m+0.12=0','-2.3x+1.53y+0.77z+0.04m-0.04=0','-0.9x+1.12y+0.57z-0.136m+0.17=0','x^2+y^2+z^2-0.22m^2-4.60x-3.06z+0.33m+7.55=0'); matlab,对于常微分方程怎样用数值解法求函数关系? 偏微分方程组的MATLAB解法?一个带边界的偏微分方程组,如何用matlab求其数值解?最好有MATLAB程序? matlab对三角函数符号积分我想算出具体的数值 matlab 中二阶常微分方程的数值解法y''-3y'+2y=1; y(0)=1; y'(0)=0; 用数值解法求y(0.5)数值解法有两个y值 -1.0696和0.7896 为什么会这样 符号解法只有一个值啊？ NO one is perfect提示、perfect完美的 is this your book?no,it's 什么.（提示he) 请问各位高手如何使用matlab解微分方程 y''(x)-y(x)sinx=0,y(0)=1,y'(0)=0;用数值解法算出 y(1)不好意思,方程是y''(x)-y'(x)sinx+yexp(x)=0 ,另外,请编写一份M文件.谢谢! matlab一阶微分方程的解法 MATLAB求解拉普拉斯方程请问如何用surf函数绘出数值解、真解及其误差的三维立体图形. 用matlab计算定积分式子如图,怎么用matlab编和算这个定积分?如果能直接帮我算出数值自然最好, 微分方程为什么要引进数值解法 银行提示 aba no 如何用MATLAB输出F分布数值? MATLAB怎样把数值转成cell matlab 逻辑值怎样转换为数值 偏微分方程的数值解法和差分解法比起解析解法的优势何在