plotting a graph in for loop

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clc
clear
W1=0.076;
L1=0.076;
b1=0.03;
Vfr1=14/2118.88199311;
Ac1=W1*b1;
U1=(1/2)*(Vfr1/Ac1);
Tint=25+273;
Tc=15+273;
teta1=Tint-Tc;
kair1=0.0263;
vair1=15.89*10^-6;
Prair1=0.707;
roal=2702;
kal=177;
Lc1=L1/2;
Re1=(U1*Lc1)/vair1;
zopt1=Lc1*3.24*(Re1^(-1/2))*(Prair1^(-1/4));
h1=(kair1/Lc1)*0.664*(Re1^(1/2))*(Prair1^(1/3));
n=1;
T1matris = []; 
for t1=0.00001:0.00001:0.002
         nf1=W1/(zopt1+t1);
         beta1=b1*sqrt((2*h1)/(kal*t1));
         verimf1=(tanh(beta1))/beta1;
         Af1=2*(L1+t1)*b1;
         At1=nf1*(Af1+(L1*zopt1));
         over1=1-((nf1*Af1)/At1)*(1-verimf1);
         qtot1=over1*At1*h1*teta1;
          T1matris(1,n)=t1;
          T(n,1)=t1;
          T(n,2)=nf1;
          T(n,3)=qtot1;
          n=n+1;
          filename='heatsink.xlsx';
end
   xlswrite(filename,T,1,'A2');