求帮改MATLAB程序错误x0=[0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25];y0=[11 9 8 14 9.5 9 7.5 10.5 11 8 8.5 10.5 11 9.5 11 12.5 12 7.5 11.5 9 9 8.5 7 11 9.5 11];x=0:0.1:26;y4=interp1(x0,y0,x,'spline');plot(x0,y0,'+',x,y4

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求帮改MATLAB程序错误x0=[012345678910111213141516171819202122232425];y0=[1198149.597.510.51188.510.5119.5111

求帮改MATLAB程序错误x0=[0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25];y0=[11 9 8 14 9.5 9 7.5 10.5 11 8 8.5 10.5 11 9.5 11 12.5 12 7.5 11.5 9 9 8.5 7 11 9.5 11];x=0:0.1:26;y4=interp1(x0,y0,x,'spline');plot(x0,y0,'+',x,y4
求帮改MATLAB程序错误
x0=[0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25];
y0=[11 9 8 14 9.5 9 7.5 10.5 11 8 8.5 10.5 11 9.5 11 12.5 12 7.5 11.5 9 9 8.5 7 11 9.5 11];
x=0:0.1:26;
y4=interp1(x0,y0,x,'spline');
plot(x0,y0,'+',x,y4)
hold on
s=@(x)interp1(x0,y0,x,'spline');
for i=0:25
L(i)=quadl(s,0,i);
end
plot(y,L)
L
我想先进行拟合然后求出函数的积分 提示
Warning:Minimum step size reached; singularity possible.
> In quadl at 94
Subscript indices must either be real positive integers or logicals.
for i=0:25我改成for i=1:25了 可是算出来答案780个L.而且数值不对.都才0-2以内

求帮改MATLAB程序错误x0=[0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25];y0=[11 9 8 14 9.5 9 7.5 10.5 11 8 8.5 10.5 11 9.5 11 12.5 12 7.5 11.5 9 9 8.5 7 11 9.5 11];x=0:0.1:26;y4=interp1(x0,y0,x,'spline');plot(x0,y0,'+',x,y4
pp=spline(x0,y0);
s=@(x)ppval(pp,x);
for i=1:25
L(i)=quadl(s,0,i);
end
L是25个

求帮改MATLAB程序错误x0=[0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25];y0=[11 9 8 14 9.5 9 7.5 10.5 11 8 8.5 10.5 11 9.5 11 12.5 12 7.5 11.5 9 9 8.5 7 11 9.5 11];x=0:0.1:26;y4=interp1(x0,y0,x,'spline');plot(x0,y0,'+',x,y4 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] matlab运行出现错误,>> x=[-5:1:5];y=1./(1+x.^2);x0=[-5:0.1:5];y0=lagrange(x,y,x0);y1=1./(1+x0.^2);plot(x0,y0,x0,y1,)y0=lagrange(x,y,x0);y1=1./(1+x0.^2);plot(x0,y0,x0,y1,)|Error:Unbalanced or unexpected parenthesis or bracket. matlab求解一元二次方程,带变量的matlab设计M文件,以下是部分程序:x0=1;for t=0:0.2:2x=solve('x=x0-0.2x^2+0.2*t','x');x0=x;solve那一步应该有问题吧,运行出错, Matlab中x0=x0(:其中x0是一尺寸为1X3矩阵 Matlab,odeplot,小程序挑错及原理.下面是程序:t0=[0,2];x0=[0,0,12,5,5,0];options = odeset('RelTol',1e-8,'AbsTol',1e-8,'OutputFcn',@odeplot);[t,y] = ode45(@odefunc,t0,x0,options);function dy=odefunc(t,y)g=-9.8;dy=[y(4)y(5)y(6)00g];提示 matlab 欧拉方法解决查分方程程序 调用函数我的程序是这个,文件名是euler.m*function [x,y]=euler(fun,x0,xfinal,y0,n);if nargin euler at 4h=(xfinal-x0)/n;请问下错误在哪儿,要调用的话应该怎样调用?因为需要解 求MATLAB大神给指出程序错误!function y = objfun(x)y = 1/x(1) + 2/x(2) + 4/x(3) + 6/x(4)function [c,ceq]=confun(x)c = [x(1)+x(2)+3*x(3)+3*x(4)-2;x(1)+2*x(2)+2*x(3)+x(4)-1.8];ceq = []x0 = [0,0,0,0]lb = [0.2,0.2,0.2,0.2]ub = []options = optimse 用matlab求微分,微分有条件限制dx/dt=ax(1-bx)条件限制:x(0)=x0;x0!=0;x0!=1/b;x0>0这个用matlab 怎么求 我算很久了 总是出错 我要用matlab输入:x0=[x0(1),x0(2)...x0(5)].x0(1)=1,x0(2)=5,x0(3)=17,x0(4)=7,x0(5)=69.代码应该是怎样 matlab程序:data2=[0,data1(1:end-1)]; (1: 帮忙检查matlab中程序错误function my13()x0=[1,1,1,1,1,1,1];A=[1,1,1,1,0,0,0;1,1,1,1,1,1,1];b=[5;10];C=[0,0,0,2,1,0.8,1];d=[5];xm=[0,0,0,0,0,0,0];xM=[];[x,y]=fmincon(@ffun,x0,A,b,C,d,xm,xM,@ghun)function y=ffun(x)y=-5*x(1)-5*x(2)-4*x(3)-6*x(4) matlab中m文件运行错误,m文件中程序如下:function my13()x0=[1,1,1,1,1,1,1];A=[1,1,1,1,0,0,0;1,1,1,1,1,1,1];b=[5;10];C=[0,0,0,2,1,0.8,1];d=[5];xm=[0,0,0,0,0,0,0];xM=[];[x,y]=fmincon(@ffun,x0,A,b,C,d,xm,xM,@ghun)function y=ffun(x)y=-5*x(1) matlab 求 x^3-3*x-1 方程近似根 程序如何修改?function [fun,dfun]=fun0(x)fun=x^3-3*x-1;dfun=3*x^2-3;x0=2;[fun,dfun]=fun0(x0);x1=x0-fun/dfun;i=1;while abs(x1-x0)>0.00001 x0=x1; [fun,dfun]=fun0(x0); x1=x0-fun/dfun; i=i+1;enddisp('the solution MATLAB 程序老是报错,function CGG(x0,y0,eps)syms x ;syms y;k=0;X=[x,y];X0=[x0,y0];Q=[1 1;1 2];f=inline('x^2+2*y^2+2*x*y','x','y');%f=1/2*X*Q*X';fx=diff(f,x);fy=diff(f,y);G0=[subs(fx,{x,y},X0),subs(fx,{x,y},X0)];% j=jacobian(f,X);% G0=subs(j,X,X0 matlab解微分方程组,这个程序报错,求指导如何改~function x_dot=cha721lotka_volterra(t,x)x_dot=zeros(2,1);x=zeros(2,1);x_dot=[4*x(1)-2*x(1)*x(2);x(1)*x(2)-3*x(2)];t_final=100;x0=[2,3];[t,x]=ode45('cha721lotka_volterra',[0,t_final],x0);p Matlab程序此问题如何处理:Error using ==> fminconA has the wrong number of columns.function f=fun1(x); f=exp(x(1))-5*x(1); x0=[0]; VLB=[1]; VUB=[2]; [x,fval]=fmincon('fun1',x0,VLB,VUB); matlab 如何修改?for t=0:0.005:1expmat=expm3(A*t);Xt=expmat*x0; %Xt=expmat*x0+(expmat-onediag)*ABK;hold on;plot(t,Xt(1),'x',t,Xt(2),'*',t,Xt(3),'o',t,Xt(4),'-',t,Xt(5),'+',t,Xt(6),'-.');axis([0 -10; 1 10])hold on;grid onend上面程序运行后