[求助] fromworkspace

[lwolf]

t=0:0.1:10;
y=[t.*sin(t);sin(t)];
simin.time=t;
simin.signals.values=y;
simin.signals.dimensions=2;
出现错误http://f18.yahoofs.com/users/4902e725z55407426/6654/__sr_/32b4.jpg?pho1yAJB1wCUd.0c
请问dimensions的数值是根据什么来的？
谢谢
http://f18.yahoofs.com/users/4902e725z55407426/6654/__sr_/32b4.jpg?pho1yAJB1wCUd.0c