我的MATLAB积分程序出现错误To RESHAPE the number of elements must not c

我的MATLAB积分程序出现错误To RESHAPE the number of elements must not change. 求大神指点,怎么改啊?
clc
clear
syms n T L1 L2 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10
%(L1为L,L2为L一撇)
m=[n,15*n,2.564*n,3*n,24.3*n,6*n];
U1=[0.002152*sqrt(L1),1.3*sqrt(L1),1.224*sqrt(L1),0.5896*sqrt(L1),1.1465*sqrt(L1),1.1465*sqrt(L1)];
%（L1）(行星架,太阳轮,行星轮,内齿圈,齿轮g3,齿轮g4)
U2=[0.002152*sqrt(L2),1.3*sqrt(L2),1.224*sqrt(L2),0.5896*sqrt(L2),1.1465*sqrt(L2),1.1465*sqrt(L2)];%(L2)
M=[4.73,6.54,5.46,5.46,6.25,5.46];
C=[2.58e15,2.8e21,2.54e18,2.4e18,4.26e20,8.3e18];
S0=[650,1400,1400,1080,1400,1400];
SM=S0-((S0-(S0.*(U2-U1)./(S0-U1))).*log(1-m.*((S0.*(U2-U1)./(S0-U1)).^M)./C))./(log(C)-M.*log((S0.*(U2-U1))./(S0-U1)));
%以上是强度退化规律
Smu=[SM(1),656.12,SM(2),SM(3),SM(4),598.16,260.65,656.12,SM(5),SM(6)];
Ssigma=[0.03*SM(1),26.2448,0.04*SM(2),0.04*SM(3),0.03*SM(4),23.9264,10.426,26.2448,0.04*SM(5),0.04*SM(6)];
fSmu=log(Smu)-0.5.*log((Ssigma./Smu).^2+1);
fSsigma=sqrt(log((Ssigma./Smu).^2+1));
S=[S1,S2,S3,S4,S5,S6,S7,S8,S9,S10];
fS=(1./(S.*fSsigma.*sqrt(2*pi))).*exp((-0.5).*((log(S)-fSmu)./fSsigma).^2);
%以上是强度的概率密度函数
UT=[0.002152*sqrt(T),10.88,1.3*sqrt(T),1.224*sqrt(T),0.5896*sqrt(T),0.56*sqrt((0.225633*T+8.559522)^2+(-0.041198*T)^2)+0.117259*T-1.7176,sqrt((0.108513*T+7.600488)^2+(-0.083623*T)^2),11.77,1.1465*sqrt(T),1.1465*sqrt(T)];
%上述T和L1,L2都是以牛毫米为单位
PII=1;
for i=1:10
I1(i)=int(fS(i),S(i),UT(i),inf);
PII=PII*I1(i);
end
%求第一个积分和连乘,第二个连乘算不出来,下面就是
%PIJ=1;
%for n=1:864000
%PIJ=PIJ*PII;
%end
k=(1/(0.05*L1*sqrt(2*pi)))*exp((-0.5)*((T-L1)/0.05*L1)^2);
A=PII*k;
%maple('kernelopts(gcfreq=10000)');
I2=int(A,T,400,1400);
%以上是第二次积分,积分区域设的不对,处于试验中
g2=(1/(52.843*sqrt(2*pi)))*exp((-0.5)*((L2-1056.86)/52.843)^2);
B=I2*g2;
I3=int(B,L2,600,1600);
%以上为第三次积分,未验证
g1=(1/(44.036*sqrt(2*pi)))*exp((-0.5)*((L1-880.72)/44.036)^2);
D=I3*g1;
R=int(A,L1,400,1400)