Ok to summarize, you have a time series data in your workspace which you want to import to Simulink at appropriate time stamps. Between one time stamp data to next, you want to hold the value and not interpolate.
I tried something simple like this and it seems to be working:
>> A=[0 0;1 1;2 2;3 3;4 4;5 5]
Saves 'A' in workspace as:
A =
0 0
1 1
2 2
3 3
4 4
5 5
where I assume my first column is time and second column is data.
Now a Simulink model with setting as shown will give you required output:
Hope this helps!!
