Splitting Vector Elements in Simulink

Question

Mervin Jey Fernanddo 2015-3-16

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https://ww2.mathworks.cn/matlabcentral/answers/183510-splitting-vector-elements-in-simulink

评论： Walter Roberson 2022-3-2

Please Help.

Error : Invalid Setting for input port dimensions Demux

How am I suppose to split the elements of a 2D Vector into individual signals. The output vector contains two elements.I tried several methods but am unable to fix the problem.

I don't understand why even after using a Demux for splitting the elements both output elements are routed through a single signal as shown in the Image.

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Answer 1

Sebastian Castro 2015-3-16

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Try using a Selector block instead, from the same library as the Demux block.

This should support multi-dimensional arrays and, in general, gives you more control than Demux blocks.

- Sebastian

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Answer 2

Revathi Vegi 2019-3-9

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Hello,

Please help me in solving this.

I have a column matrix(3*1) which is the output obtained from some matrix operations. I want to use these column matrix elements as seperate inputs(go to blocks) for another one. How to get these matrix elements seperately?

when I tried using demux the output dimensions are (3*1) same as input which I cant use as input for other one. Also I tried using selector block but i didnt understand how this selector block will help me in seperating the column matrix elements.

Also i tried matlab function block next to the column matrix in order to use 'matsplit' command to split the matrix elements. But i am getting error as invalid command. I am using R2017b version for my work.

Please suggest me.

Thankyou in advance:)