Regarding "compare" command of SysID toolbox

I am using following command [yh,fit,x0] = compare(data,Model);
Now, the predicted output is a cell array yh = [5501x1x0 iddata]
Question: How can I convert this into a vector (5501x1)?
Why I want this: The command gives plot with x-axis as Time(sec). I need to plot 'yh' separately with x-axis as Time in MICRO-SECONDS.

 采纳的回答

>>y=yh{1,1}.y;
It might be useful also to look at the help for iddata: >>doc iddata
HTH.
Arkadiy

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