哪位大侠知道这个MATLAB的错误啊 plot Vectors must be the same lengths.

哪位大侠知道这个MATLAB的错误啊 plot Vectors must be the same lengths.
clear
hold off
r1=0.009008*690/sqrt(3)/945
r2=0.009368*690/sqrt(3)/945
x1=0.072085*690/sqrt(3)/945
x2=0.097094*690/sqrt(3)/945
xm=2.679244*690/sqrt(3)/945
ku=690/1300
ki=945/456
n=1
m=1
j=1
u1=690/sqrt(3)
for s=0.3:-0.1:0.1 -0.1:-0.1:-0.3
for t1=0:1:10
t=t1*pi/180
for u21=400:-100:0 -100:-100:-400 %线电压
u2=ku*u21*(cos(t)+sin(t)*i)/sqrt(3)
i11=u1/(r1+x1*i+xm*i*(r2/s+x2*i)/(r2/s+(x2+xm)*i))
i21=i11*xm*i/(r2/s+(x2+xm)*i)
i22=u2./((r2+x2*s*i)+(r1+x1*i)*xm*s*i/(r1+(x1+xm)*i))
i12=xm*i*i22/(r1+(x1+xm)*i)
i1=i12-i11
i2=i22-i21
thetai1=(angle(i1))*180/pi
thetai2=(angle(i2))*180/pi
hold off
real_i2=abs(i2)/ki
if real_i2