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Extract non zero term from Vector

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Zhenteng Shen
Zhenteng Shen 2017-8-30
回答： Omur Bas 2017-8-31
Hello, I have a 1 x 9 vector which contains all zeroes apart from one element which will take a +ve or -ve number, it's index will change, how do i extract this non zero number in Simulink? Is there a block for it?

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Guillaume
Guillaume 2017-8-30
编辑：Guillaume 2017-8-30
A quick search for "simulink nonzeros" returns as its first link this find block. If you set the Show output port for nonzero input values to true, then you'll get the nonzeros values.
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Zhenteng Shen
Zhenteng Shen 2017-8-30
This gives the index but not the value I think
Guillaume
Guillaume 2017-8-30
As I wrote:
If you set the Show output port for nonzero input values to true, then you'll get the nonzeros values.

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更多回答（2 个）

KL
KL 2017-8-30
编辑：KL 2017-8-30
nonzeros - EDITED
Use it in a Matlab function block?
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Zhenteng Shen
Zhenteng Shen 2017-8-30
No I mean, I want to use it with only simulink library components

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Omur Bas
Omur Bas 2017-8-31
If all the other elements are zero, and you don't need the index, then Sum of Elements block would do the trick.

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