what is the format of yfinal in stepinfo function?

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What is the correct format for yfinal in the stepinfo function given that y and t are 1 dimension vector output from simulink? stepinfo throws me the exception: "The input arguments "Y" and "YFINAL" of the "stepinfo" and "lsiminfo" command must have compatible sizes." I am unable to figure out what is the problem. The yfinal I am using is a step function generated by the simulink function generator.

Answers (1)

Kiran
Kiran on 30 Dec 2015
I hope following explanation would make it clear.
" For SISO responses, t and y are vectors with the same length NS. For systems with NU inputs and NY outputs, you can specify y as an NS-by-NY-by-NU array (see step) and yfinal as an NY-by-NU array. stepinfo then returns a NY-by-NU structure array S of performance metrics for each I/O pair."
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