Is there a cubic spline source block in Simulink?

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Amir Patel
Amir Patel 2014 年 4 月 20 日
Hi
I am solving an optimal control using fmincon in conjunction with Simulink.
I am using a Repeating Sequence block as the discretized input and then fmincon chooses the best parameters for the sequence.
I am having convergence issues and have done research and people often use a cubic spline to parametize the input. The linear interpolated method the Repeating Sequence block can make thigns non-smooth.
My question is, how can I have a cubic spline source block in Simulink? What is the best way to do this?

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