matlab中t=linspace(0,2*pi,100);x=[t;t]';y=[sin(t);cos(t)]';plot(x,y),

是共轭转置的意思,对于实数来说,和.'------非共轭转置是一样的
clear all;clc;
t=linspace(0,2*pi,4);
x1=[t;t]
x2=[t;t]'
x1 =
0 2.0944 4.1888 6.2832
0 2.0944 4.1888 6.2832
x2 =
0 0
2.0944 2.0944
4.1888 4.1888
6.2832 6.2832