matlab解对数方程组[x,y,z]=solve('0.29744*x/(3+0.1*x+y+z)=(log10((3+x+y+z)/(3+0.1*x+y+z)))^2','0.79*x/(3+0.1*y+z)=(log10((3+x+y+z)/(3+0.1*x+y+z)*(3+y+z)/(3+0.1*y+z)))^2','1.25*x/(3+0.1*z)=(log10((3+x+y+z)/(3+0.1*x+y+z)*(3+y+z)/(3+0.*1y+z)*(3+z)/

matlab解方程组:x+y+z matlab解对数方程组[x,y,z]=solve('0.29744*x/(3+0.1*x+y+z)=(log10((3+x+y+z)/(3+0.1*x+y+z)))^2','0.79*x/(3+0.1*y+z)=(log10((3+x+y+z)/(3+0.1*x+y+z)*(3+y+z)/(3+0.1*y+z)))^2','1.25*x/(3+0.1*z)=(log10((3+x+y+z)/(3+0.1*x+y+z)*(3+y+z)/(3+0.*1y+z)*(3+z)/ matlab中如何求已知解的线性方程组的系数例如方程组 [x;y;z]=[a1,a2,a3;b1,b2,b3;c1,c2,c3][X,Y,Z]已知几组想x,y,z,X,Y,Z. Matlab解三元方程组问题解三元方程组问题：449.15=x/(1-y*exp(-1995*z))701.24=x/(1-y*exp(-2000*z))827.75=x/(1-y*exp(-2005*z)) 解方程组{x(x+y+z)=6,y(x+y+z)=12,z(x+y+z)=18 解方程组：{x(x+y+z)=6 {y(x+y+z)=9 {z(x+y+z)=10 matlab解幂函数或对数方程组的参数,方程如下：y=a*x^(b)(x1,y1)=(1400,25),(x2,y2)=(5000,10) Matlab利用矩阵运算解方程组的编程请哪位大侠帮我写一下程序：x+2y+z=12x+y-2z=33x-4y+2z=9谢谢了... Matlab利用矩阵运算解方程组的编程请哪位大侠帮我写一下程序：x+2y+z=12x+y-2z=33x-4y+2z=9.. 二元二阶非线性常微分方程matlab解法x''+z*(x-y)-a=0;b*z^3+z^2*x’y’+y’^2+c=0;z=d*x+e;这个方程组用matlab怎么求解啊.急, 如何处理matlab微分方程数值解,具体就是解微分方程组,得出一系列的（x,y,t）如何作sqrt（x^2+y^2)=z 解方程组 x+y+z=-7 x-y=12 x+y-z=6 x+y=-2 x+z=13 y+z=1 解方程组x+y=-2x+z=13y+z=1解方程组 解方程组x+y=-2,y+z=-4,z+x=-12 解方程组x+y=-2,y+z=-4,z+x=-12 三元一次方程组x+y+z=1解三元一次方程组x+y+z=1x-y+z=3x+y-z=-1 用matlab求解方程组 10*x*x+x*y=111z 其中xyz为1-9的整数.求代码用matlab求解方程组 10*x*x+x*y=111z 其中xyz为的整数.求代码 解方程组x-y+z=0,3y-z=8,x+y=6 matlab中解方程组syms x y z t[x,y,z,t]=solve(2*x+3*y-z+t-2,5*x+y+z-t-13,x-y+2*z+2*t-3,3*x+2*y+2*z+9*t+3)结果:x =-2y =1z =2t =4结果是不对的.做了如下调整：syms x y z t[t,x,y,z]=solve(2*x+3*y-z+t-2,5*x+y+z-t-13,x-y+2*z+2*t-3,3*x+2*y+2