Index exceeds matrix dimensions.什么错误啊?a=zeros(8);l=zeros(8);u=zeros(8);for (i=2:8)a(i,i)=5;a(i,i-1)=-2;a(i-1,i)=-2;l(i,i)=1;enda(1,1)=2;l(1,1)=1;u(1,1)=a(1,1);for (i=2:8)l(i,i-1)=a(i,i-1)/u(i-1,i-1);u(i,i)=b(i,i)-c(i-1,i)*l(i,i-1);endalud=[

Matlab计算Index exceeds matrix dimensions.为什么?... sym_digits=sym('[1 2 3;a b c;sin(x)cos(y)tan(z)]') 出现错误?Index exceeds matrix dimensions matlab中,Index exceeds matrix dimensions错误问题>> d=find(2380 e=find(X>=2460);>> N11=length(find(X(d+1) matlab sum函数a=[1 2 3;4 5 6;7 8 9]a =1 2 34 5 67 8 9>> sum(a)Index exceeds matrix dimensions. MATLAB符号变量定义>> F=[2*x(1)-x(2)-exp(-x(1)),-x(1)+2*x(2)-exp(-x(2))]Undefined function or method 'x' for input arguments of type 'double'.>> syms x;>> F=[2*x(1)-x(2)-exp(-x(1)),-x(1)+2*x(2)-exp(-x(2))]Index exceeds matrix dimensions.怎么 matlab使用函数 reshape 错在哪?>> a=[1 2 3 45 6 7 89 10 11 12]a =1 2 3 45 6 7 89 10 11 12>> b=reshape(a,2,6)Index exceeds matrix dimensions. 这个matlab代码运行错误啊 ,我想求a序列第4个到第10数之间的最大值a=[1,2,3,4,5,6,7,8,9,8,7,6,5,4,3,2,1];b=max(a(4,10));错误信息是Index exceeds matrix dimensions. matlab的问题：关于Index exceeds matrix dimensions.我在编写matlab程序,求解高解微分方程的解时,写到：function dy = weifen (t,x)x=sym('x')dy=[x(2);x(3);x(4);-8*x(4)-36*x(3)-40*x(2)-10*x(1)+10][t,x]=ode45('weifen', [0 20],[0 0])p matlab 迭代我使用matlab中的fsolve函数解方程组,老是出现exitflag=0,我查了下是说迭代超过最大值,我想问下解决办法,谢谢!我已经改过了，但是显示超过矩阵的维数，Index exceeds matrix dimensions.运算 MATLAB 中 Index exceeds matrix dimensions.错误文本文件名字是yy.txt,内容是：FI CZ0326/AN B-6059DT QXT POR1 260146 J03AADS.B-6059070337B6177A02E245B180FMATLAB程序：fid1=fopen('yy.txt','rt'); A=fscanf(fid1,'%s') i=1;j=2;k=1;for i=1:leng matlab的问题?Index exceeds matrix dimensions.for m=1:ND% 分别沿两个方向计算if(anglemu(m)0)Sca=Sca+abs(anglemu(k))*Ipold(Nr+1,:,:,k)*weight(k);endendIpold(Nr+1,:,:,m)=ewallc*T(Nr+1,:,:).^4+1/pi*(1-ewallb)*Sca;endif(anglexi(m)>0) % z方向S 为什么会出现Index exceeds matrix dimensionss=[0 -4.5667 26.0846 30.4615 -22.1462 -0.4000 7.5615 -12.4308 -25.9923 -8.6385 -33.5385 55.6077];y=iddata([s,0,0]');ar7=ar(y(1:12),7)p=predict(y(1:14),ar7,2)p1=p.outputdata;figureplot(p,'g')hold onplot matlab这个递推公式哪里超了啊n(1)=1;n(2)=2;n(3)=3;n(4)=4;n(5)=1; for i=1:3; sita(1)=0; sin(sita(i+1))=sin(sita(i))*n(i)/n(i+1);end Index exceeds matrix dimensions.Error in Untitled4 (line 11)sin(sita(i+1))=sin(sita(i))*n(i)/n(i+1); Matlab计算Index exceeds matrix dimensions.为什么?[w,y]=meshgrid(linspace(0,1),linspace(20,100));h=25;Ta=37;Q=420;p=1000;c=4200;wb=0.0005;k=0.5;Tf=35;Tc=37;L=0.071;phi=0.1;y=16.7*h*(k*(wb*p*c/k)^0.5*coth(L*(wb*p*c/k)^0.5)+h+0.256*(3.054+16.7*h*w) MATLAB Index exceeds matrix dimensions问题for i=1:90;lac=lab*cos(th1)+sqrt(lbc^2-(lab*sin(th1))^2);l3=sqrt((l1-lac)^2+(l2)^2);x=(l1-lac)/l2;y=(l3^2+led^2-lcd^2)/(2*l3*led);z=l1-lab*cos(th1)-sqrt(lbc^2-(lab*sin(th1)^2));a=sqrt(z^2-l2^2);z1=lab*sin(t matlab Index exceeds matrix dimensions.子函数：function [MminT] =MminT(M,H,r,i)syms x;y=(x-i(M)).*(x-i(M+1))./((i(M-1)-i(M)).*(i(M-1)-i(M+1))).*r(M-1,H)+(x-i(M-1)).*(x-i(M+1))./((i(M)-i(M-1)).*(i(M)-i(M+1))).*r(M,H)+(x-i(M-1)).*(x-i(M))./((i(M+1) matlab中Index exceeds matrix dimensionsclear; close all; clc;load data0.matx=b(:,1);y=b(:,2);n1=17; %中值滤波窗口n2=15;y1 =[y;y(1:n1)];[m,n] = size(y);out =[];s = [];for i=1:m*ns=sort(y1(i:i+n1-1));out(i)=mean(s(i+1:i+n1-2));endy2=out;subplot( Matlab :Error using ==> subsref Index exceeds matrix dimensions.Error in ==> sym.subsref at 17我在运行以下程序的时候：R0=0.03;S0=45;T=12;Sigmar=0.02;Sigmas=0.2;I=0.02;Cb=35;M=100;a=0.015;b=0.3;for i=1:11; syms x s u;x=linspace(1,T-1,T-1);