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How to use selector block to extract a single element from a 1x2 matrix?

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RevengeOfTee
RevengeOfTee on 12 Feb 2020
Hello. I have the matrix [1;1]. How do I use the selector block to extract the first element only? I tried going to the page for the block but it went over my head. Sorry if this is a basic question.

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Bhaskar R
Bhaskar R on 12 Feb 2020
Do you mean
mat = [1;1];
extract_single_element = mat(1); % first element of the matrix mat?

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Answers (1)

Siriniharika Katukam
Siriniharika Katukam on 17 Feb 2020
Hi,
A selector block is one which selects the input based on the parameter set in the block. To get the first element of the input you are passing, you need to select the parameter “Index Option” as Index Vector(dialog) and then specify which index of input has to be selected and set even the other parameters of selector block appropriately.

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