matlab错误求救>> x1=0:0.01:5; y1=x1*exp(-2*x1); subplot(1,2,1); plot(x1,y1,’r’); x2=-2:0.01:2; y2=5*cos(3*pi*x2);subplot(1,2,2); plot(x2,y2,’b’);? Error using ==> mtimesInner matrix dimensions must agree.

matlab错误求救>> x1=0:0.01:5; y1=x1*exp(-2*x1); subplot(1,2,1); plot(x1,y1,’r’); x2=-2:0.01:2; y2=5*cos(3*pi*x2);subplot(1,2,2); plot(x2,y2,’b’);? Error using ==> mtimesInner matrix dimensions must agree. MATLAB中x1=[x 0 求MATLAB高手帮忙改下程序,我的有错误啊,像画三条曲线出来的syms x1 x2 x3 t x%x1=S,x2=I,x3=R%微分表达式%x=[x1;x2;x3];function xdot=DxDt(t,x)xdot=[-0.0000003*x1.*x2-0.001*x1;0.0000003*x1.*x2-0.025*x2;0.001*x1+0.025*x2];t=[0,20 matlab:出现错误Function definitions are not permitted in this context怎么回事?坐标轮换法的matlab程序[转]用坐标轮换法求最优解：y=x1^2+x2^2-x1*x2-10*x1-4*x2+60的最优解,初始点为：[0;0],精度为0.01%总程序x0=[0,0] 求救matlab高手!编程实现一元二次方程ax^2+bx+c=0? matlab中解出带参数方程的数值解,求救!exp42.m中的方程：[As,x1] = solve('fy*As=fcd*2*(v1+v2+v3+v4+v5)*x1','r0*M=fcd*2*(v1+v2+v3+v4+v5)*x1*(h0-x1/2)','As,x1'),求解As和x1,其余为输入的已知量.这些变 error C2064: term does not evaluate to a function错误,求救#include#includevoid main(){ double x1=1,x2=1,x3=1,x4=1,t1,t2,t3,t4,p1,p2,p3,p4,p5,p6,p,e,g; t1=2*(x1)+20*(x2)+40*((x1)-(x4))*((x1)-(x4))*((x1)-(x4)); t2=20*(x1)+200*(x2)+4*((x2)-2*(x3))*( matlab 线性方程组求解 X1,...Xm,PX1...PXm,Py都为已知数据,我需要反解b1...bm,求救 matlab 错误,function z=Shubert(x1,x2) %Shubert函数figure(1);x1=-10:.1:10;x2=x1;x=[x1 x2][x1,x2]=meshgrid(x1,x2);z=((1*cos(2*x1+1))+(2*cos(3*x1+2))+(3*cos(4*x1+3))+(4*cos(5*x1+4))+(5*cos(6*x1+5)))*((1*cos(2*x2+1))+(2*cos(3*x2+2))+(3*cos(4*x2+3))+( 如何用MATLAB求分段函数的最小值分段函数为：F（x,M)=x1+x2; x1>=0且x2>=x1的平方x1+x2+M(x1-x2);x1>=0且x2 matlab中这样的表达式有什么错误,y=30-{1-1/{1+exp[-x1*exp(-x2*18)]}}.^2已经处理了, matlab求 minZ=6x1+3x2+4x3约束条件是x1+x2+x3=120 x1=>30 0 matlab中的这个命令是什么意思?麻烦详解 x1=[x1 zeros(1,N-length(x1))]; matlab 矩阵 能帮我看看哪里有问题吗 合并两个矩阵x=[x1,x2,x3,x4]'y=[y1,y2,y3,y4,y5,y6]'u=[x,y]'提示错误是 Undefined function or variable 'x1' 求大神matlab单目标规划问题找错目标函数 f(x)=-5x1-4x2-6x3约束条件 s.t x1-x2+x3ex3 at 4lb=zero(3,1);上面有点错误 求线性方程组X1-X2-X3+X4=O X1-X2+X3-3X4=0 X1-X2-2X3+3X4=0 的通解并用础解系表示求救 X为字母X Error using ==> mtimes Inner matrix dimensions must agree 用matlab求解时出现错误x0=[3459 3489 3526 3657.2 3714 5454 5967 7432 8212 10938];s=0;for i=1:10 %n=10;s=s+x0(i);x1(i)=sendfor j=1:9 %n-1=9;G(j,1)=-(x1(j+1)+x1(j))/2G(j,2)=1endfor k=1:9Y 用matlab双重循环画图没用过matlab,写了个大概的程序,程序有错不知道怎么改,sum=0;for x1=0:60:300;for x2=0:1:16;F(x1,x2)=((120*x1)^x2)/factorial(x2);sum=sum+F(x1,x2); endy=(120*x1/factorial(16))/sum;plot(x1,y);end