How to Subtract Consecutive Values in Array in Simulink

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Omar
Omar 2018-7-22
评论： Omar 2018-7-23
Hi Everyone, I am wondering what is the correct way to do subtraction of consecutive values of an array in Simulink? For example, if an output of a block is [1,2,3,4,...] and I need to calculate [1,2-1,3-2,4-3,...]. Knowing, both vectors are needed to execute the Simulink scheme. what is the best way to do that? please help
Thanks in advance,

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Aquatris
Aquatris 2018-7-22
You can use a time delay block and use fixed step solver. Set the time delay to be exactly the time step used by the solver. You connect the signal to the time delay block. Then to get the vector you want, you subtract output of time delay block from the original signal.
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Aquatris
Aquatris 2018-7-23
I was thinking of transport delay block but you can also use unit delay block as well. I do not know much about the memory block.

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